2787675

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 5237760

約数和(自身を除く): 2450085

約数列:

[1, 3, 5, 11, 15, 25, 31, 33, 55, 75, 93, 109, 155, 165, 275, 327, 341, 465, 545, 775, 825, 1023, 1199, 1635, 1705, 2325, 2725, 3379, 3597, 5115, 5995, 8175, 8525, 10137, 16895, 17985, 25575, 29975, 37169, 50685, 84475, 89925, 111507, 185845, 253425, 557535, 929225, 2787675]

約数ペア:

[(1, 2787675), (3, 929225), (5, 557535), (11, 253425), (15, 185845), (25, 111507), (31, 89925), (33, 84475), (55, 50685), (75, 37169), (93, 29975), (109, 25575), (155, 17985), (165, 16895), (275, 10137), (327, 8525), (341, 8175), (465, 5995), (545, 5115), (775, 3597), (825, 3379), (1023, 2725), (1199, 2325), (1635, 1705)]