71317785

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{8821}}^1$

素因数の和:8854

約数の個数: 48

約数和(自身を含む): 144821952

約数和(自身を除く): 73504167

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 147, 165, 231, 245, 385, 539, 735, 1155, 1617, 2695, 8085, 8821, 26463, 44105, 61747, 97031, 132315, 185241, 291093, 308735, 432229, 485155, 679217, 926205, 1296687, 1455465, 2037651, 2161145, 3396085, 4754519, 6483435, 10188255, 14263557, 23772595, 71317785]

約数ペア:

[(1, 71317785), (3, 23772595), (5, 14263557), (7, 10188255), (11, 6483435), (15, 4754519), (21, 3396085), (33, 2161145), (35, 2037651), (49, 1455465), (55, 1296687), (77, 926205), (105, 679217), (147, 485155), (165, 432229), (231, 308735), (245, 291093), (385, 185241), (539, 132315), (735, 97031), (1155, 61747), (1617, 44105), (2695, 26463), (8085, 8821)]