18011217

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 28794880

約数和(自身を除く): 10783663

約数列:

[1, 3, 7, 21, 31, 73, 93, 217, 219, 379, 511, 651, 1137, 1533, 2263, 2653, 6789, 7959, 11749, 15841, 27667, 35247, 47523, 82243, 83001, 193669, 246729, 581007, 857677, 2573031, 6003739, 18011217]

約数ペア:

[(1, 18011217), (3, 6003739), (7, 2573031), (21, 857677), (31, 581007), (73, 246729), (93, 193669), (217, 83001), (219, 82243), (379, 47523), (511, 35247), (651, 27667), (1137, 15841), (1533, 11749), (2263, 7959), (2653, 6789)]