421445775

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1663}}^1$

素因数の和:1816

約数の個数: 48

約数和(自身を含む): 726302720

約数和(自身を除く): 304856945

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 109, 155, 327, 465, 545, 775, 1635, 1663, 2325, 2725, 3379, 4989, 8175, 8315, 10137, 16895, 24945, 41575, 50685, 51553, 84475, 124725, 154659, 181267, 253425, 257765, 543801, 773295, 906335, 1288825, 2719005, 3866475, 4531675, 5619277, 13595025, 16857831, 28096385, 84289155, 140481925, 421445775]

約数ペア:

[(1, 421445775), (3, 140481925), (5, 84289155), (15, 28096385), (25, 16857831), (31, 13595025), (75, 5619277), (93, 4531675), (109, 3866475), (155, 2719005), (327, 1288825), (465, 906335), (545, 773295), (775, 543801), (1635, 257765), (1663, 253425), (2325, 181267), (2725, 154659), (3379, 124725), (4989, 84475), (8175, 51553), (8315, 50685), (10137, 41575), (16895, 24945)]