15219897

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1607}}^1$

素因数の和:1669

約数の個数: 32

約数和(自身を含む): 25933824

約数和(自身を除く): 10713927

約数列:

[1, 3, 7, 11, 21, 33, 41, 77, 123, 231, 287, 451, 861, 1353, 1607, 3157, 4821, 9471, 11249, 17677, 33747, 53031, 65887, 123739, 197661, 371217, 461209, 724757, 1383627, 2174271, 5073299, 15219897]

約数ペア:

[(1, 15219897), (3, 5073299), (7, 2174271), (11, 1383627), (21, 724757), (33, 461209), (41, 371217), (77, 197661), (123, 123739), (231, 65887), (287, 53031), (451, 33747), (861, 17677), (1353, 11249), (1607, 9471), (3157, 4821)]