15943641

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1349

約数の個数: 32

約数和(自身を含む): 26419200

約数和(自身を除く): 10475559

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1289, 1767, 3867, 4123, 9023, 12369, 24491, 27069, 39959, 73473, 119877, 171437, 279713, 514311, 759221, 839139, 2277663, 5314547, 15943641]

約数ペア:

[(1, 15943641), (3, 5314547), (7, 2277663), (19, 839139), (21, 759221), (31, 514311), (57, 279713), (93, 171437), (133, 119877), (217, 73473), (399, 39959), (589, 27069), (651, 24491), (1289, 12369), (1767, 9023), (3867, 4123)]