12997325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{313}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 17754816

約数和(自身を除く): 4757491

約数列:

[1, 5, 11, 25, 55, 151, 275, 313, 755, 1565, 1661, 3443, 3775, 7825, 8305, 17215, 41525, 47263, 86075, 236315, 519893, 1181575, 2599465, 12997325]

約数ペア:

[(1, 12997325), (5, 2599465), (11, 1181575), (25, 519893), (55, 236315), (151, 86075), (275, 47263), (313, 41525), (755, 17215), (1565, 8305), (1661, 7825), (3443, 3775)]