28117875

素因数分解:

$3^1\times 5^3\times {\mathrm{97}}^1\times {\mathrm{773}}^1$

素因数の和:888

約数の個数: 32

約数和(自身を含む): 47331648

約数和(自身を除く): 19213773

約数列:

[1, 3, 5, 15, 25, 75, 97, 125, 291, 375, 485, 773, 1455, 2319, 2425, 3865, 7275, 11595, 12125, 19325, 36375, 57975, 74981, 96625, 224943, 289875, 374905, 1124715, 1874525, 5623575, 9372625, 28117875]

約数ペア:

[(1, 28117875), (3, 9372625), (5, 5623575), (15, 1874525), (25, 1124715), (75, 374905), (97, 289875), (125, 224943), (291, 96625), (375, 74981), (485, 57975), (773, 36375), (1455, 19325), (2319, 12125), (2425, 11595), (3865, 7275)]