647331426

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{570839}}^1$

素因数の和:570860

約数の個数: 40

約数和(自身を含む): 1657719360

約数和(自身を除く): 1010387934

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 570839, 1141678, 1712517, 3425034, 3995873, 5137551, 7991746, 10275102, 11987619, 15412653, 23975238, 30825306, 35962857, 46237959, 71925714, 92475918, 107888571, 215777142, 323665713, 647331426]

約数ペア:

[(1, 647331426), (2, 323665713), (3, 215777142), (6, 107888571), (7, 92475918), (9, 71925714), (14, 46237959), (18, 35962857), (21, 30825306), (27, 23975238), (42, 15412653), (54, 11987619), (63, 10275102), (81, 7991746), (126, 5137551), (162, 3995873), (189, 3425034), (378, 1712517), (567, 1141678), (1134, 570839)]