2215815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 4147200

約数和(自身を除く): 1931385

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 449, 705, 987, 1347, 1645, 2245, 3143, 4935, 6735, 9429, 15715, 21103, 47145, 63309, 105515, 147721, 316545, 443163, 738605, 2215815]

約数ペア:

[(1, 2215815), (3, 738605), (5, 443163), (7, 316545), (15, 147721), (21, 105515), (35, 63309), (47, 47145), (105, 21103), (141, 15715), (235, 9429), (329, 6735), (449, 4935), (705, 3143), (987, 2245), (1347, 1645)]