21917625

素因数分解:

$3^1\times 5^3\times {\mathrm{211}}^1\times {\mathrm{277}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 36776064

約数和(自身を除く): 14858439

約数列:

[1, 3, 5, 15, 25, 75, 125, 211, 277, 375, 633, 831, 1055, 1385, 3165, 4155, 5275, 6925, 15825, 20775, 26375, 34625, 58447, 79125, 103875, 175341, 292235, 876705, 1461175, 4383525, 7305875, 21917625]

約数ペア:

[(1, 21917625), (3, 7305875), (5, 4383525), (15, 1461175), (25, 876705), (75, 292235), (125, 175341), (211, 103875), (277, 79125), (375, 58447), (633, 34625), (831, 26375), (1055, 20775), (1385, 15825), (3165, 6925), (4155, 5275)]