15239763

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21991}}^1$

素因数の和:22015

約数の個数: 24

約数和(自身を含む): 27446016

約数和(自身を除く): 12206253

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 21991, 65973, 153937, 197919, 241901, 461811, 725703, 1385433, 1693307, 2177109, 5079921, 15239763]

約数ペア:

[(1, 15239763), (3, 5079921), (7, 2177109), (9, 1693307), (11, 1385433), (21, 725703), (33, 461811), (63, 241901), (77, 197919), (99, 153937), (231, 65973), (693, 21991)]