15681141

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2861}}^1$

素因数の和:2906

約数の個数: 32

約数和(自身を含む): 27475200

約数和(自身を除く): 11794059

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 2861, 5481, 8583, 20027, 25749, 60081, 77247, 82969, 180243, 248907, 540729, 580783, 746721, 1742349, 2240163, 5227047, 15681141]

約数ペア:

[(1, 15681141), (3, 5227047), (7, 2240163), (9, 1742349), (21, 746721), (27, 580783), (29, 540729), (63, 248907), (87, 180243), (189, 82969), (203, 77247), (261, 60081), (609, 25749), (783, 20027), (1827, 8583), (2861, 5481)]