71981475

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{16267}}^1$

素因数の和:16339

約数の個数: 24

約数和(自身を含む): 121033920

約数和(自身を除く): 49052445

約数列:

[1, 3, 5, 15, 25, 59, 75, 177, 295, 885, 1475, 4425, 16267, 48801, 81335, 244005, 406675, 959753, 1220025, 2879259, 4798765, 14396295, 23993825, 71981475]

約数ペア:

[(1, 71981475), (3, 23993825), (5, 14396295), (15, 4798765), (25, 2879259), (59, 1220025), (75, 959753), (177, 406675), (295, 244005), (885, 81335), (1475, 48801), (4425, 16267)]