427397796

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{26921}}^1$

素因数の和:26951

約数の個数: 90

約数和(自身を含む): 1299767238

約数和(自身を除く): 872369442

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 252, 294, 324, 378, 441, 567, 588, 756, 882, 1134, 1323, 1764, 2268, 2646, 3969, 5292, 7938, 15876, 26921, 53842, 80763, 107684, 161526, 188447, 242289, 323052, 376894, 484578, 565341, 726867, 753788, 969156, 1130682, 1319129, 1453734, 1696023, 2180601, 2261364, 2638258, 2907468, 3392046, 3957387, 4361202, 5088069, 5276516, 6784092, 7914774, 8722404, 10176138, 11872161, 15264207, 15829548, 20352276, 23744322, 30528414, 35616483, 47488644, 61056828, 71232966, 106849449, 142465932, 213698898, 427397796]

約数ペア:

[(1, 427397796), (2, 213698898), (3, 142465932), (4, 106849449), (6, 71232966), (7, 61056828), (9, 47488644), (12, 35616483), (14, 30528414), (18, 23744322), (21, 20352276), (27, 15829548), (28, 15264207), (36, 11872161), (42, 10176138), (49, 8722404), (54, 7914774), (63, 6784092), (81, 5276516), (84, 5088069), (98, 4361202), (108, 3957387), (126, 3392046), (147, 2907468), (162, 2638258), (189, 2261364), (196, 2180601), (252, 1696023), (294, 1453734), (324, 1319129), (378, 1130682), (441, 969156), (567, 753788), (588, 726867), (756, 565341), (882, 484578), (1134, 376894), (1323, 323052), (1764, 242289), (2268, 188447), (2646, 161526), (3969, 107684), (5292, 80763), (7938, 53842), (15876, 26921)]