1555982055

素因数分解:

$3^4\times 5^1\times {\mathrm{857}}^1\times {\mathrm{4483}}^1$

素因数の和:5357

約数の個数: 40

約数和(自身を含む): 2793119472

約数和(自身を除く): 1237137417

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 857, 2571, 4285, 4483, 7713, 12855, 13449, 22415, 23139, 38565, 40347, 67245, 69417, 115695, 121041, 201735, 347085, 363123, 605205, 1815615, 3841931, 11525793, 19209655, 34577379, 57628965, 103732137, 172886895, 311196411, 518660685, 1555982055]

約数ペア:

[(1, 1555982055), (3, 518660685), (5, 311196411), (9, 172886895), (15, 103732137), (27, 57628965), (45, 34577379), (81, 19209655), (135, 11525793), (405, 3841931), (857, 1815615), (2571, 605205), (4285, 363123), (4483, 347085), (7713, 201735), (12855, 121041), (13449, 115695), (22415, 69417), (23139, 67245), (38565, 40347)]