61561983

素因数分解:

$3^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{2063}}^1$

素因数の和:2116

約数の個数: 32

約数和(自身を含む): 99072000

約数和(自身を除く): 37510017

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 343, 609, 1029, 1421, 2063, 4263, 6189, 9947, 14441, 29841, 43323, 59827, 101087, 179481, 303261, 418789, 707609, 1256367, 2122827, 2931523, 8794569, 20520661, 61561983]

約数ペア:

[(1, 61561983), (3, 20520661), (7, 8794569), (21, 2931523), (29, 2122827), (49, 1256367), (87, 707609), (147, 418789), (203, 303261), (343, 179481), (609, 101087), (1029, 59827), (1421, 43323), (2063, 29841), (4263, 14441), (6189, 9947)]