78971325

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{19867}}^1$

素因数の和:19933

約数の個数: 24

約数和(自身を含む): 133036128

約数和(自身を除く): 54064803

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 265, 795, 1325, 3975, 19867, 59601, 99335, 298005, 496675, 1052951, 1490025, 3158853, 5264755, 15794265, 26323775, 78971325]

約数ペア:

[(1, 78971325), (3, 26323775), (5, 15794265), (15, 5264755), (25, 3158853), (53, 1490025), (75, 1052951), (159, 496675), (265, 298005), (795, 99335), (1325, 59601), (3975, 19867)]