20170761

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 30858240

約数和(自身を除く): 10687479

約数列:

[1, 3, 13, 19, 39, 57, 163, 167, 247, 489, 501, 741, 2119, 2171, 3097, 3173, 6357, 6513, 9291, 9519, 27221, 40261, 41249, 81663, 120783, 123747, 353873, 517199, 1061619, 1551597, 6723587, 20170761]

約数ペア:

[(1, 20170761), (3, 6723587), (13, 1551597), (19, 1061619), (39, 517199), (57, 353873), (163, 123747), (167, 120783), (247, 81663), (489, 41249), (501, 40261), (741, 27221), (2119, 9519), (2171, 9291), (3097, 6513), (3173, 6357)]