210830977

素因数分解:

$7^2\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:661

約数の個数: 24

約数和(自身を含む): 251164800

約数和(自身を除く): 40333823

約数列:

[1, 7, 49, 67, 149, 431, 469, 1043, 3017, 3283, 7301, 9983, 21119, 28877, 64219, 69881, 202139, 449533, 489167, 1414973, 3146731, 4302673, 30118711, 210830977]

約数ペア:

[(1, 210830977), (7, 30118711), (49, 4302673), (67, 3146731), (149, 1414973), (431, 489167), (469, 449533), (1043, 202139), (3017, 69881), (3283, 64219), (7301, 28877), (9983, 21119)]