78978591

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{607}}^1$

素因数の和:756

約数の個数: 32

約数和(自身を含む): 120627200

約数和(自身を除く): 41648609

約数列:

[1, 3, 9, 27, 61, 79, 183, 237, 549, 607, 711, 1647, 1821, 2133, 4819, 5463, 14457, 16389, 37027, 43371, 47953, 111081, 130113, 143859, 333243, 431577, 999729, 1294731, 2925133, 8775399, 26326197, 78978591]

約数ペア:

[(1, 78978591), (3, 26326197), (9, 8775399), (27, 2925133), (61, 1294731), (79, 999729), (183, 431577), (237, 333243), (549, 143859), (607, 130113), (711, 111081), (1647, 47953), (1821, 43371), (2133, 37027), (4819, 16389), (5463, 14457)]