221566212

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^2$

素因数の和:235

約数の個数: 144

約数和(自身を含む): 681896320

約数和(自身を除く): 460330108

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 37, 42, 54, 63, 74, 84, 89, 108, 111, 126, 148, 178, 189, 222, 252, 259, 267, 333, 356, 378, 444, 518, 534, 623, 666, 756, 777, 801, 999, 1036, 1068, 1246, 1332, 1554, 1602, 1869, 1998, 2331, 2403, 2492, 3108, 3204, 3293, 3738, 3996, 4662, 4806, 5607, 6586, 6993, 7476, 7921, 9324, 9612, 9879, 11214, 13172, 13986, 15842, 16821, 19758, 22428, 23051, 23763, 27972, 29637, 31684, 33642, 39516, 46102, 47526, 55447, 59274, 67284, 69153, 71289, 88911, 92204, 95052, 110894, 118548, 138306, 142578, 166341, 177822, 207459, 213867, 221788, 276612, 285156, 293077, 332682, 355644, 414918, 427734, 499023, 586154, 622377, 665364, 829836, 855468, 879231, 998046, 1172308, 1244754, 1497069, 1758462, 1996092, 2051539, 2489508, 2637693, 2994138, 3516924, 4103078, 5275386, 5988276, 6154617, 7913079, 8206156, 10550772, 12309234, 15826158, 18463851, 24618468, 31652316, 36927702, 55391553, 73855404, 110783106, 221566212]

約数ペア:

[(1, 221566212), (2, 110783106), (3, 73855404), (4, 55391553), (6, 36927702), (7, 31652316), (9, 24618468), (12, 18463851), (14, 15826158), (18, 12309234), (21, 10550772), (27, 8206156), (28, 7913079), (36, 6154617), (37, 5988276), (42, 5275386), (54, 4103078), (63, 3516924), (74, 2994138), (84, 2637693), (89, 2489508), (108, 2051539), (111, 1996092), (126, 1758462), (148, 1497069), (178, 1244754), (189, 1172308), (222, 998046), (252, 879231), (259, 855468), (267, 829836), (333, 665364), (356, 622377), (378, 586154), (444, 499023), (518, 427734), (534, 414918), (623, 355644), (666, 332682), (756, 293077), (777, 285156), (801, 276612), (999, 221788), (1036, 213867), (1068, 207459), (1246, 177822), (1332, 166341), (1554, 142578), (1602, 138306), (1869, 118548), (1998, 110894), (2331, 95052), (2403, 92204), (2492, 88911), (3108, 71289), (3204, 69153), (3293, 67284), (3738, 59274), (3996, 55447), (4662, 47526), (4806, 46102), (5607, 39516), (6586, 33642), (6993, 31684), (7476, 29637), (7921, 27972), (9324, 23763), (9612, 23051), (9879, 22428), (11214, 19758), (13172, 16821), (13986, 15842)]