31298745

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{353}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 52607232

約数和(自身を除く): 21308487

約数列:

[1, 3, 5, 15, 23, 69, 115, 257, 345, 353, 771, 1059, 1285, 1765, 3855, 5295, 5911, 8119, 17733, 24357, 29555, 40595, 88665, 90721, 121785, 272163, 453605, 1360815, 2086583, 6259749, 10432915, 31298745]

約数ペア:

[(1, 31298745), (3, 10432915), (5, 6259749), (15, 2086583), (23, 1360815), (69, 453605), (115, 272163), (257, 121785), (345, 90721), (353, 88665), (771, 40595), (1059, 29555), (1285, 24357), (1765, 17733), (3855, 8119), (5295, 5911)]