212317725

素因数分解:

$3^1\times 5^2\times {\mathrm{1321}}^1\times {\mathrm{2143}}^1$

素因数の和:3477

約数の個数: 24

約数和(自身を含む): 351461632

約数和(自身を除く): 139143907

約数列:

[1, 3, 5, 15, 25, 75, 1321, 2143, 3963, 6429, 6605, 10715, 19815, 32145, 33025, 53575, 99075, 160725, 2830903, 8492709, 14154515, 42463545, 70772575, 212317725]

約数ペア:

[(1, 212317725), (3, 70772575), (5, 42463545), (15, 14154515), (25, 8492709), (75, 2830903), (1321, 160725), (2143, 99075), (3963, 53575), (6429, 33025), (6605, 32145), (10715, 19815)]