121211211

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{887}}^1$

素因数の和:1043

約数の個数: 32

約数和(自身を含む): 182601216

約数和(自身を除く): 61390005

約数列:

[1, 3, 11, 33, 41, 101, 123, 303, 451, 887, 1111, 1353, 2661, 3333, 4141, 9757, 12423, 29271, 36367, 45551, 89587, 109101, 136653, 268761, 400037, 985457, 1200111, 2956371, 3673067, 11019201, 40403737, 121211211]

約数ペア:

[(1, 121211211), (3, 40403737), (11, 11019201), (33, 3673067), (41, 2956371), (101, 1200111), (123, 985457), (303, 400037), (451, 268761), (887, 136653), (1111, 109101), (1353, 89587), (2661, 45551), (3333, 36367), (4141, 29271), (9757, 12423)]