30161215

素因数分解:

$5^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{401}}^1$

素因数の和:727

約数の個数: 24

約数和(自身を含む): 42345072

約数和(自身を除く): 12183857

約数列:

[1, 5, 7, 35, 49, 245, 307, 401, 1535, 2005, 2149, 2807, 10745, 14035, 15043, 19649, 75215, 98245, 123107, 615535, 861749, 4308745, 6032243, 30161215]

約数ペア:

[(1, 30161215), (5, 6032243), (7, 4308745), (35, 861749), (49, 615535), (245, 123107), (307, 98245), (401, 75215), (1535, 19649), (2005, 15043), (2149, 14035), (2807, 10745)]