28925145

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27947}}^1$

素因数の和:27981

約数の個数: 24

約数和(自身を含む): 52318656

約数和(自身を除く): 23393511

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 27947, 83841, 139735, 251523, 419205, 642781, 1257615, 1928343, 3213905, 5785029, 9641715, 28925145]

約数ペア:

[(1, 28925145), (3, 9641715), (5, 5785029), (9, 3213905), (15, 1928343), (23, 1257615), (45, 642781), (69, 419205), (115, 251523), (207, 139735), (345, 83841), (1035, 27947)]