15721281495

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1338551}}^1$

素因数の和:1338597

約数の個数: 40

約数和(自身を含む): 29153662560

約数和(自身を除く): 13432381065

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 261, 405, 435, 783, 1305, 2349, 3915, 11745, 1338551, 4015653, 6692755, 12046959, 20078265, 36140877, 38817979, 60234795, 108422631, 116453937, 180704385, 194089895, 349361811, 542113155, 582269685, 1048085433, 1746809055, 3144256299, 5240427165, 15721281495]

約数ペア:

[(1, 15721281495), (3, 5240427165), (5, 3144256299), (9, 1746809055), (15, 1048085433), (27, 582269685), (29, 542113155), (45, 349361811), (81, 194089895), (87, 180704385), (135, 116453937), (145, 108422631), (261, 60234795), (405, 38817979), (435, 36140877), (783, 20078265), (1305, 12046959), (2349, 6692755), (3915, 4015653), (11745, 1338551)]