78947475

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{19861}}^1$

素因数の和:19927

約数の個数: 24

約数和(自身を含む): 132995952

約数和(自身を除く): 54048477

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 265, 795, 1325, 3975, 19861, 59583, 99305, 297915, 496525, 1052633, 1489575, 3157899, 5263165, 15789495, 26315825, 78947475]

約数ペア:

[(1, 78947475), (3, 26315825), (5, 15789495), (15, 5263165), (25, 3157899), (53, 1489575), (75, 1052633), (159, 496525), (265, 297915), (795, 99305), (1325, 59583), (3975, 19861)]