15218973

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21961}}^1$

素因数の和:21985

約数の個数: 24

約数和(自身を含む): 27408576

約数和(自身を除く): 12189603

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 21961, 65883, 153727, 197649, 241571, 461181, 724713, 1383543, 1690997, 2174139, 5072991, 15218973]

約数ペア:

[(1, 15218973), (3, 5072991), (7, 2174139), (9, 1690997), (11, 1383543), (21, 724713), (33, 461181), (63, 241571), (77, 197649), (99, 153727), (231, 65883), (693, 21961)]