407942775

素因数分解:

$3^2\times 5^2\times {\mathrm{839}}^1\times {\mathrm{2161}}^1$

素因数の和:3016

約数の個数: 36

約数和(自身を含む): 731880240

約数和(自身を除く): 323937465

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 839, 2161, 2517, 4195, 6483, 7551, 10805, 12585, 19449, 20975, 32415, 37755, 54025, 62925, 97245, 162075, 188775, 486225, 1813079, 5439237, 9065395, 16317711, 27196185, 45326975, 81588555, 135980925, 407942775]

約数ペア:

[(1, 407942775), (3, 135980925), (5, 81588555), (9, 45326975), (15, 27196185), (25, 16317711), (45, 9065395), (75, 5439237), (225, 1813079), (839, 486225), (2161, 188775), (2517, 162075), (4195, 97245), (6483, 62925), (7551, 54025), (10805, 37755), (12585, 32415), (19449, 20975)]