27440028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:568

約数の個数: 144

約数和(自身を含む): 91203840

約数和(自身を除く): 63763812

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 19, 21, 22, 28, 33, 36, 38, 42, 44, 57, 63, 66, 76, 77, 84, 99, 114, 126, 132, 133, 154, 171, 198, 209, 228, 231, 252, 266, 308, 342, 396, 399, 418, 462, 521, 532, 627, 684, 693, 798, 836, 924, 1042, 1197, 1254, 1386, 1463, 1563, 1596, 1881, 2084, 2394, 2508, 2772, 2926, 3126, 3647, 3762, 4389, 4689, 4788, 5731, 5852, 6252, 7294, 7524, 8778, 9378, 9899, 10941, 11462, 13167, 14588, 17193, 17556, 18756, 19798, 21882, 22924, 26334, 29697, 32823, 34386, 39596, 40117, 43764, 51579, 52668, 59394, 65646, 68772, 69293, 80234, 89091, 103158, 108889, 118788, 120351, 131292, 138586, 160468, 178182, 206316, 207879, 217778, 240702, 277172, 326667, 356364, 361053, 415758, 435556, 481404, 623637, 653334, 722106, 762223, 831516, 980001, 1247274, 1306668, 1444212, 1524446, 1960002, 2286669, 2494548, 3048892, 3920004, 4573338, 6860007, 9146676, 13720014, 27440028]

約数ペア:

[(1, 27440028), (2, 13720014), (3, 9146676), (4, 6860007), (6, 4573338), (7, 3920004), (9, 3048892), (11, 2494548), (12, 2286669), (14, 1960002), (18, 1524446), (19, 1444212), (21, 1306668), (22, 1247274), (28, 980001), (33, 831516), (36, 762223), (38, 722106), (42, 653334), (44, 623637), (57, 481404), (63, 435556), (66, 415758), (76, 361053), (77, 356364), (84, 326667), (99, 277172), (114, 240702), (126, 217778), (132, 207879), (133, 206316), (154, 178182), (171, 160468), (198, 138586), (209, 131292), (228, 120351), (231, 118788), (252, 108889), (266, 103158), (308, 89091), (342, 80234), (396, 69293), (399, 68772), (418, 65646), (462, 59394), (521, 52668), (532, 51579), (627, 43764), (684, 40117), (693, 39596), (798, 34386), (836, 32823), (924, 29697), (1042, 26334), (1197, 22924), (1254, 21882), (1386, 19798), (1463, 18756), (1563, 17556), (1596, 17193), (1881, 14588), (2084, 13167), (2394, 11462), (2508, 10941), (2772, 9899), (2926, 9378), (3126, 8778), (3647, 7524), (3762, 7294), (4389, 6252), (4689, 5852), (4788, 5731)]