68775915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{977}}^1$

素因数の和:1036

約数の個数: 48

約数和(自身を含む): 125199648

約数和(自身を除く): 56423733

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 361, 741, 977, 1083, 1235, 1805, 2931, 3705, 4693, 4885, 5415, 12701, 14079, 14655, 18563, 23465, 38103, 55689, 63505, 70395, 92815, 190515, 241319, 278445, 352697, 723957, 1058091, 1206595, 1763485, 3619785, 4585061, 5290455, 13755183, 22925305, 68775915]

約数ペア:

[(1, 68775915), (3, 22925305), (5, 13755183), (13, 5290455), (15, 4585061), (19, 3619785), (39, 1763485), (57, 1206595), (65, 1058091), (95, 723957), (195, 352697), (247, 278445), (285, 241319), (361, 190515), (741, 92815), (977, 70395), (1083, 63505), (1235, 55689), (1805, 38103), (2931, 23465), (3705, 18563), (4693, 14655), (4885, 14079), (5415, 12701)]