72181263

素因数分解:

$3^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{911}}^1$

素因数の和:953

約数の個数: 40

約数和(自身を含む): 122616576

約数和(自身を除く): 50435313

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 343, 539, 911, 1029, 1617, 2401, 2733, 3773, 6377, 7203, 10021, 11319, 19131, 26411, 30063, 44639, 70147, 79233, 133917, 210441, 312473, 491029, 937419, 1473087, 2187311, 3437203, 6561933, 10311609, 24060421, 72181263]

約数ペア:

[(1, 72181263), (3, 24060421), (7, 10311609), (11, 6561933), (21, 3437203), (33, 2187311), (49, 1473087), (77, 937419), (147, 491029), (231, 312473), (343, 210441), (539, 133917), (911, 79233), (1029, 70147), (1617, 44639), (2401, 30063), (2733, 26411), (3773, 19131), (6377, 11319), (7203, 10021)]