42480549

素因数分解:

$3^2\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 62517312

約数和(自身を除く): 20036763

約数列:

[1, 3, 9, 131, 137, 263, 393, 411, 789, 1179, 1233, 2367, 17947, 34453, 36031, 53841, 103359, 108093, 161523, 310077, 324279, 4720061, 14160183, 42480549]

約数ペア:

[(1, 42480549), (3, 14160183), (9, 4720061), (131, 324279), (137, 310077), (263, 161523), (393, 108093), (411, 103359), (789, 53841), (1179, 36031), (1233, 34453), (2367, 17947)]