15660723

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 25297920

約数和(自身を除く): 9637197

約数列:

[1, 3, 13, 17, 23, 39, 51, 69, 79, 169, 221, 237, 299, 391, 507, 663, 897, 1027, 1173, 1343, 1817, 2873, 3081, 3887, 4029, 5083, 5451, 8619, 11661, 13351, 15249, 17459, 23621, 30889, 40053, 52377, 66079, 70863, 92667, 198237, 226967, 307073, 401557, 680901, 921219, 1204671, 5220241, 15660723]

約数ペア:

[(1, 15660723), (3, 5220241), (13, 1204671), (17, 921219), (23, 680901), (39, 401557), (51, 307073), (69, 226967), (79, 198237), (169, 92667), (221, 70863), (237, 66079), (299, 52377), (391, 40053), (507, 30889), (663, 23621), (897, 17459), (1027, 15249), (1173, 13351), (1343, 11661), (1817, 8619), (2873, 5451), (3081, 5083), (3887, 4029)]