28067625

素因数分解:

$3^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:491

約数の個数: 48

約数和(自身を含む): 51551760

約数和(自身を除く): 23484135

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 125, 183, 225, 305, 375, 409, 549, 915, 1125, 1227, 1525, 2045, 2745, 3681, 4575, 6135, 7625, 10225, 13725, 18405, 22875, 24949, 30675, 51125, 68625, 74847, 92025, 124745, 153375, 224541, 374235, 460125, 623725, 1122705, 1871175, 3118625, 5613525, 9355875, 28067625]

約数ペア:

[(1, 28067625), (3, 9355875), (5, 5613525), (9, 3118625), (15, 1871175), (25, 1122705), (45, 623725), (61, 460125), (75, 374235), (125, 224541), (183, 153375), (225, 124745), (305, 92025), (375, 74847), (409, 68625), (549, 51125), (915, 30675), (1125, 24949), (1227, 22875), (1525, 18405), (2045, 13725), (2745, 10225), (3681, 7625), (4575, 6135)]