1217275

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:135

約数の個数: 24

約数和(自身を含む): 1651680

約数和(自身を除く): 434405

約数列:

[1, 5, 23, 25, 29, 73, 115, 145, 365, 575, 667, 725, 1679, 1825, 2117, 3335, 8395, 10585, 16675, 41975, 48691, 52925, 243455, 1217275]

約数ペア:

[(1, 1217275), (5, 243455), (23, 52925), (25, 48691), (29, 41975), (73, 16675), (115, 10585), (145, 8395), (365, 3335), (575, 2117), (667, 1825), (725, 1679)]