21830625

素因数分解:

$3^2\times 5^4\times {\mathrm{3881}}^1$

素因数の和:3907

約数の個数: 30

約数和(自身を含む): 39413946

約数和(自身を除く): 17583321

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 625, 1125, 1875, 3881, 5625, 11643, 19405, 34929, 58215, 97025, 174645, 291075, 485125, 873225, 1455375, 2425625, 4366125, 7276875, 21830625]

約数ペア:

[(1, 21830625), (3, 7276875), (5, 4366125), (9, 2425625), (15, 1455375), (25, 873225), (45, 485125), (75, 291075), (125, 174645), (225, 97025), (375, 58215), (625, 34929), (1125, 19405), (1875, 11643), (3881, 5625)]