201561255

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{91411}}^1$

素因数の和:91436

約数の個数: 36

約数和(自身を含む): 406417752

約数和(自身を除く): 204856497

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 91411, 274233, 457055, 639877, 822699, 1371165, 1919631, 3199385, 4113495, 4479139, 5758893, 9598155, 13437417, 22395695, 28794465, 40312251, 67187085, 201561255]

約数ペア:

[(1, 201561255), (3, 67187085), (5, 40312251), (7, 28794465), (9, 22395695), (15, 13437417), (21, 9598155), (35, 5758893), (45, 4479139), (49, 4113495), (63, 3199385), (105, 1919631), (147, 1371165), (245, 822699), (315, 639877), (441, 457055), (735, 274233), (2205, 91411)]