15216195

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{761}}^1$

素因数の和:843

約数の個数: 32

約数和(自身を含む): 25749504

約数和(自身を除く): 10533309

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 155, 215, 465, 645, 761, 1333, 2283, 3805, 3999, 6665, 11415, 19995, 23591, 32723, 70773, 98169, 117955, 163615, 353865, 490845, 1014413, 3043239, 5072065, 15216195]

約数ペア:

[(1, 15216195), (3, 5072065), (5, 3043239), (15, 1014413), (31, 490845), (43, 353865), (93, 163615), (129, 117955), (155, 98169), (215, 70773), (465, 32723), (645, 23591), (761, 19995), (1333, 11415), (2283, 6665), (3805, 3999)]