15300819

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:269

約数の個数: 40

約数和(自身を含む): 24532992

約数和(自身を除く): 9232173

約数列:

[1, 3, 9, 23, 27, 43, 69, 81, 129, 191, 207, 387, 573, 621, 989, 1161, 1719, 1863, 2967, 3483, 4393, 5157, 8213, 8901, 13179, 15471, 24639, 26703, 39537, 73917, 80109, 118611, 188899, 221751, 355833, 566697, 665253, 1700091, 5100273, 15300819]

約数ペア:

[(1, 15300819), (3, 5100273), (9, 1700091), (23, 665253), (27, 566697), (43, 355833), (69, 221751), (81, 188899), (129, 118611), (191, 80109), (207, 73917), (387, 39537), (573, 26703), (621, 24639), (989, 15471), (1161, 13179), (1719, 8901), (1863, 8213), (2967, 5157), (3483, 4393)]