15313745

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:185

約数の個数: 32

約数和(自身を含む): 20355840

約数和(自身を除く): 5042095

約数列:

[1, 5, 23, 37, 59, 61, 115, 185, 295, 305, 851, 1357, 1403, 2183, 2257, 3599, 4255, 6785, 7015, 10915, 11285, 17995, 50209, 51911, 82777, 133163, 251045, 259555, 413885, 665815, 3062749, 15313745]

約数ペア:

[(1, 15313745), (5, 3062749), (23, 665815), (37, 413885), (59, 259555), (61, 251045), (115, 133163), (185, 82777), (295, 51911), (305, 50209), (851, 17995), (1357, 11285), (1403, 10915), (2183, 7015), (2257, 6785), (3599, 4255)]