210955185

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{74411}}^1$

素因数の和:74435

約数の個数: 40

約数和(自身を含む): 432184896

約数和(自身を除く): 221229711

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 74411, 223233, 372055, 520877, 669699, 1116165, 1562631, 2009097, 2604385, 3348495, 4687893, 6027291, 7813155, 10045485, 14063679, 23439465, 30136455, 42191037, 70318395, 210955185]

約数ペア:

[(1, 210955185), (3, 70318395), (5, 42191037), (7, 30136455), (9, 23439465), (15, 14063679), (21, 10045485), (27, 7813155), (35, 6027291), (45, 4687893), (63, 3348495), (81, 2604385), (105, 2009097), (135, 1562631), (189, 1116165), (315, 669699), (405, 520877), (567, 372055), (945, 223233), (2835, 74411)]