12121011

素因数分解:

$3^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{457}}^1$

素因数の和:891

約数の個数: 24

約数和(自身を含む): 20100704

約数和(自身を除く): 7979693

約数列:

[1, 3, 7, 9, 21, 63, 421, 457, 1263, 1371, 2947, 3199, 3789, 4113, 8841, 9597, 26523, 28791, 192397, 577191, 1346779, 1731573, 4040337, 12121011]

約数ペア:

[(1, 12121011), (3, 4040337), (7, 1731573), (9, 1346779), (21, 577191), (63, 192397), (421, 28791), (457, 26523), (1263, 9597), (1371, 8841), (2947, 4113), (3199, 3789)]