215599995

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{122849}}^1$

素因数の和:122876

約数の個数: 32

約数和(自身を含む): 412776000

約数和(自身を除く): 197176005

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 122849, 368547, 614245, 1105641, 1597037, 1842735, 3316923, 4791111, 5528205, 7985185, 14373333, 16584615, 23955555, 43119999, 71866665, 215599995]

約数ペア:

[(1, 215599995), (3, 71866665), (5, 43119999), (9, 23955555), (13, 16584615), (15, 14373333), (27, 7985185), (39, 5528205), (45, 4791111), (65, 3316923), (117, 1842735), (135, 1597037), (195, 1105641), (351, 614245), (585, 368547), (1755, 122849)]