78865371

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{2729}}^1$

素因数の和:2780

約数の個数: 36

約数和(自身を含む): 129893400

約数和(自身を除く): 51028029

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 169, 171, 247, 507, 741, 1521, 2223, 2729, 3211, 8187, 9633, 24561, 28899, 35477, 51851, 106431, 155553, 319293, 461201, 466659, 674063, 1383603, 2022189, 4150809, 6066567, 8762819, 26288457, 78865371]

約数ペア:

[(1, 78865371), (3, 26288457), (9, 8762819), (13, 6066567), (19, 4150809), (39, 2022189), (57, 1383603), (117, 674063), (169, 466659), (171, 461201), (247, 319293), (507, 155553), (741, 106431), (1521, 51851), (2223, 35477), (2729, 28899), (3211, 24561), (8187, 9633)]