205875

素因数分解:

$3^3\times 5^3\times {\mathrm{61}}^1$

素因数の和:85

約数の個数: 32

約数和(自身を含む): 386880

約数和(自身を除く): 181005

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 125, 135, 183, 225, 305, 375, 549, 675, 915, 1125, 1525, 1647, 2745, 3375, 4575, 7625, 8235, 13725, 22875, 41175, 68625, 205875]

約数ペア:

[(1, 205875), (3, 68625), (5, 41175), (9, 22875), (15, 13725), (25, 8235), (27, 7625), (45, 4575), (61, 3375), (75, 2745), (125, 1647), (135, 1525), (183, 1125), (225, 915), (305, 675), (375, 549)]