81878043

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 120881152

約数和(自身を除く): 39003109

約数列:

[1, 3, 13, 39, 61, 127, 183, 271, 381, 793, 813, 1651, 2379, 3523, 4953, 7747, 10569, 16531, 23241, 34417, 49593, 100711, 103251, 214903, 302133, 447421, 644709, 1342263, 2099437, 6298311, 27292681, 81878043]

約数ペア:

[(1, 81878043), (3, 27292681), (13, 6298311), (39, 2099437), (61, 1342263), (127, 644709), (183, 447421), (271, 302133), (381, 214903), (793, 103251), (813, 100711), (1651, 49593), (2379, 34417), (3523, 23241), (4953, 16531), (7747, 10569)]