28750875

素因数分解:

$3^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{1783}}^1$

素因数の和:1844

約数の個数: 32

約数和(自身を含む): 48981504

約数和(自身を除く): 20230629

約数列:

[1, 3, 5, 15, 25, 43, 75, 125, 129, 215, 375, 645, 1075, 1783, 3225, 5349, 5375, 8915, 16125, 26745, 44575, 76669, 133725, 222875, 230007, 383345, 668625, 1150035, 1916725, 5750175, 9583625, 28750875]

約数ペア:

[(1, 28750875), (3, 9583625), (5, 5750175), (15, 1916725), (25, 1150035), (43, 668625), (75, 383345), (125, 230007), (129, 222875), (215, 133725), (375, 76669), (645, 44575), (1075, 26745), (1783, 16125), (3225, 8915), (5349, 5375)]