78636405

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1571}}^1$

素因数の和:1697

約数の個数: 32

約数和(自身を含む): 130387968

約数和(自身を除く): 51751563

約数列:

[1, 3, 5, 15, 47, 71, 141, 213, 235, 355, 705, 1065, 1571, 3337, 4713, 7855, 10011, 16685, 23565, 50055, 73837, 111541, 221511, 334623, 369185, 557705, 1107555, 1673115, 5242427, 15727281, 26212135, 78636405]

約数ペア:

[(1, 78636405), (3, 26212135), (5, 15727281), (15, 5242427), (47, 1673115), (71, 1107555), (141, 557705), (213, 369185), (235, 334623), (355, 221511), (705, 111541), (1065, 73837), (1571, 50055), (3337, 23565), (4713, 16685), (7855, 10011)]