23396475

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 41425920

約数和(自身を除く): 18029445

約数列:

[1, 3, 5, 15, 25, 29, 31, 75, 87, 93, 145, 155, 347, 435, 465, 725, 775, 899, 1041, 1735, 2175, 2325, 2697, 4495, 5205, 8675, 10063, 10757, 13485, 22475, 26025, 30189, 32271, 50315, 53785, 67425, 150945, 161355, 251575, 268925, 311953, 754725, 806775, 935859, 1559765, 4679295, 7798825, 23396475]

約数ペア:

[(1, 23396475), (3, 7798825), (5, 4679295), (15, 1559765), (25, 935859), (29, 806775), (31, 754725), (75, 311953), (87, 268925), (93, 251575), (145, 161355), (155, 150945), (347, 67425), (435, 53785), (465, 50315), (725, 32271), (775, 30189), (899, 26025), (1041, 22475), (1735, 13485), (2175, 10757), (2325, 10063), (2697, 8675), (4495, 5205)]