1561115

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:238

約数の個数: 16

約数和(自身を含む): 1967328

約数和(自身を除く): 406213

約数列:

[1, 5, 43, 53, 137, 215, 265, 685, 2279, 5891, 7261, 11395, 29455, 36305, 312223, 1561115]

約数ペア:

[(1, 1561115), (5, 312223), (43, 36305), (53, 29455), (137, 11395), (215, 7261), (265, 5891), (685, 2279)]