80747037

素因数分解:

$3^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2687}}^1$

素因数の和:2759

約数の個数: 40

約数和(自身を含む): 140507136

約数和(自身を除く): 59760099

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 81, 159, 189, 371, 477, 567, 1113, 1431, 2687, 3339, 4293, 8061, 10017, 18809, 24183, 30051, 56427, 72549, 142411, 169281, 217647, 427233, 507843, 996877, 1281699, 1523529, 2990631, 3845097, 8971893, 11535291, 26915679, 80747037]

約数ペア:

[(1, 80747037), (3, 26915679), (7, 11535291), (9, 8971893), (21, 3845097), (27, 2990631), (53, 1523529), (63, 1281699), (81, 996877), (159, 507843), (189, 427233), (371, 217647), (477, 169281), (567, 142411), (1113, 72549), (1431, 56427), (2687, 30051), (3339, 24183), (4293, 18809), (8061, 10017)]