16380675

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{1549}}^1$

素因数の和:1612

約数の個数: 36

約数和(自身を含む): 29983200

約数和(自身を除く): 13602525

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 75, 141, 225, 235, 423, 705, 1175, 1549, 2115, 3525, 4647, 7745, 10575, 13941, 23235, 38725, 69705, 72803, 116175, 218409, 348525, 364015, 655227, 1092045, 1820075, 3276135, 5460225, 16380675]

約数ペア:

[(1, 16380675), (3, 5460225), (5, 3276135), (9, 1820075), (15, 1092045), (25, 655227), (45, 364015), (47, 348525), (75, 218409), (141, 116175), (225, 72803), (235, 69705), (423, 38725), (705, 23235), (1175, 13941), (1549, 10575), (2115, 7745), (3525, 4647)]