90804135

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 157459680

約数和(自身を除く): 66655545

約数列:

[1, 3, 5, 15, 19, 41, 57, 95, 123, 205, 285, 361, 409, 615, 779, 1083, 1227, 1805, 2045, 2337, 3895, 5415, 6135, 7771, 11685, 14801, 16769, 23313, 38855, 44403, 50307, 74005, 83845, 116565, 147649, 222015, 251535, 318611, 442947, 738245, 955833, 1593055, 2214735, 4779165, 6053609, 18160827, 30268045, 90804135]

約数ペア:

[(1, 90804135), (3, 30268045), (5, 18160827), (15, 6053609), (19, 4779165), (41, 2214735), (57, 1593055), (95, 955833), (123, 738245), (205, 442947), (285, 318611), (361, 251535), (409, 222015), (615, 147649), (779, 116565), (1083, 83845), (1227, 74005), (1805, 50307), (2045, 44403), (2337, 38855), (3895, 23313), (5415, 16769), (6135, 14801), (7771, 11685)]