426273405

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{21319}}^1$

素因数の和:21401

約数の個数: 32

約数和(自身を含む): 720445440

約数和(自身を除く): 294172035

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 155, 215, 465, 645, 1333, 3999, 6665, 19995, 21319, 63957, 106595, 319785, 660889, 916717, 1982667, 2750151, 3304445, 4583585, 9913335, 13750755, 28418227, 85254681, 142091135, 426273405]

約数ペア:

[(1, 426273405), (3, 142091135), (5, 85254681), (15, 28418227), (31, 13750755), (43, 9913335), (93, 4583585), (129, 3304445), (155, 2750151), (215, 1982667), (465, 916717), (645, 660889), (1333, 319785), (3999, 106595), (6665, 63957), (19995, 21319)]