78515421

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{1747}}^1$

素因数の和:2032

約数の個数: 16

約数和(自身を含む): 106725888

約数和(自身を除く): 28210467

約数列:

[1, 3, 71, 211, 213, 633, 1747, 5241, 14981, 44943, 124037, 368617, 372111, 1105851, 26171807, 78515421]

約数ペア:

[(1, 78515421), (3, 26171807), (71, 1105851), (211, 372111), (213, 368617), (633, 124037), (1747, 44943), (5241, 14981)]