15021855

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1279}}^1$

素因数の和:1325

約数の個数: 40

約数和(自身を含む): 27878400

約数和(自身を除く): 12856545

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 261, 405, 435, 783, 1279, 1305, 2349, 3837, 3915, 6395, 11511, 11745, 19185, 34533, 37091, 57555, 103599, 111273, 172665, 185455, 333819, 517995, 556365, 1001457, 1669095, 3004371, 5007285, 15021855]

約数ペア:

[(1, 15021855), (3, 5007285), (5, 3004371), (9, 1669095), (15, 1001457), (27, 556365), (29, 517995), (45, 333819), (81, 185455), (87, 172665), (135, 111273), (145, 103599), (261, 57555), (405, 37091), (435, 34533), (783, 19185), (1279, 11745), (1305, 11511), (2349, 6395), (3837, 3915)]