209516355

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{37853}}^1$

素因数の和:37908

約数の個数: 32

約数和(自身を含む): 381568320

約数和(自身を除く): 172051965

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 123, 135, 205, 369, 615, 1107, 1845, 5535, 37853, 113559, 189265, 340677, 567795, 1022031, 1551973, 1703385, 4655919, 5110155, 7759865, 13967757, 23279595, 41903271, 69838785, 209516355]

約数ペア:

[(1, 209516355), (3, 69838785), (5, 41903271), (9, 23279595), (15, 13967757), (27, 7759865), (41, 5110155), (45, 4655919), (123, 1703385), (135, 1551973), (205, 1022031), (369, 567795), (615, 340677), (1107, 189265), (1845, 113559), (5535, 37853)]