173612859

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1\times {\mathrm{283}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 268713984

約数和(自身を除く): 95101125

約数列:

[1, 3, 7, 21, 131, 223, 283, 393, 669, 849, 917, 1561, 1981, 2751, 4683, 5943, 29213, 37073, 63109, 87639, 111219, 189327, 204491, 259511, 441763, 613473, 778533, 1325289, 8267279, 24801837, 57870953, 173612859]

約数ペア:

[(1, 173612859), (3, 57870953), (7, 24801837), (21, 8267279), (131, 1325289), (223, 778533), (283, 613473), (393, 441763), (669, 259511), (849, 204491), (917, 189327), (1561, 111219), (1981, 87639), (2751, 63109), (4683, 37073), (5943, 29213)]