15201109

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 19381824

約数和(自身を除く): 4180715

約数列:

[1, 7, 11, 77, 121, 131, 137, 847, 917, 959, 1441, 1507, 10087, 10549, 15851, 16577, 17947, 110957, 116039, 125629, 197417, 1381919, 2171587, 15201109]

約数ペア:

[(1, 15201109), (7, 2171587), (11, 1381919), (77, 197417), (121, 125629), (131, 116039), (137, 110957), (847, 17947), (917, 16577), (959, 15851), (1441, 10549), (1507, 10087)]