39970281

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{167}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 64520064

約数和(自身を除く): 24549783

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 167, 221, 247, 323, 361, 501, 663, 741, 969, 1083, 2171, 2839, 3173, 4199, 4693, 6137, 6513, 8517, 9519, 12597, 14079, 18411, 36907, 41249, 53941, 60287, 79781, 110721, 123747, 161823, 180861, 239343, 701233, 783731, 1024879, 2103699, 2351193, 3074637, 13323427, 39970281]

約数ペア:

[(1, 39970281), (3, 13323427), (13, 3074637), (17, 2351193), (19, 2103699), (39, 1024879), (51, 783731), (57, 701233), (167, 239343), (221, 180861), (247, 161823), (323, 123747), (361, 110721), (501, 79781), (663, 60287), (741, 53941), (969, 41249), (1083, 36907), (2171, 18411), (2839, 14079), (3173, 12597), (4199, 9519), (4693, 8517), (6137, 6513)]