81831015

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{259781}}^1$

素因数の和:259799

約数の個数: 24

約数和(自身を含む): 162103968

約数和(自身を除く): 80272953

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 259781, 779343, 1298905, 1818467, 2338029, 3896715, 5455401, 9092335, 11690145, 16366203, 27277005, 81831015]

約数ペア:

[(1, 81831015), (3, 27277005), (5, 16366203), (7, 11690145), (9, 9092335), (15, 5455401), (21, 3896715), (35, 2338029), (45, 1818467), (63, 1298905), (105, 779343), (315, 259781)]