15868281

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{787}}^1$

素因数の和:861

約数の個数: 32

約数和(自身を含む): 25417728

約数和(自身を除く): 9549447

約数列:

[1, 3, 11, 13, 33, 39, 47, 141, 143, 429, 517, 611, 787, 1551, 1833, 2361, 6721, 8657, 10231, 20163, 25971, 30693, 36989, 110967, 112541, 337623, 406879, 480857, 1220637, 1442571, 5289427, 15868281]

約数ペア:

[(1, 15868281), (3, 5289427), (11, 1442571), (13, 1220637), (33, 480857), (39, 406879), (47, 337623), (141, 112541), (143, 110967), (429, 36989), (517, 30693), (611, 25971), (787, 20163), (1551, 10231), (1833, 8657), (2361, 6721)]