201521859

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7331}}^1$

素因数の和:7376

約数の個数: 48

約数和(自身を含む): 361086336

約数和(自身を除く): 159564477

約数列:

[1, 3, 7, 11, 17, 21, 33, 49, 51, 77, 119, 147, 187, 231, 357, 539, 561, 833, 1309, 1617, 2499, 3927, 7331, 9163, 21993, 27489, 51317, 80641, 124627, 153951, 241923, 359219, 373881, 564487, 872389, 1077657, 1370897, 1693461, 2617167, 3951409, 4112691, 6106723, 9596279, 11854227, 18320169, 28788837, 67173953, 201521859]

約数ペア:

[(1, 201521859), (3, 67173953), (7, 28788837), (11, 18320169), (17, 11854227), (21, 9596279), (33, 6106723), (49, 4112691), (51, 3951409), (77, 2617167), (119, 1693461), (147, 1370897), (187, 1077657), (231, 872389), (357, 564487), (539, 373881), (561, 359219), (833, 241923), (1309, 153951), (1617, 124627), (2499, 80641), (3927, 51317), (7331, 27489), (9163, 21993)]