13151313

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1049}}^1$

素因数の和:1261

約数の個数: 24

約数和(自身を含む): 21840000

約数和(自身を除く): 8688687

約数列:

[1, 3, 7, 9, 21, 63, 199, 597, 1049, 1393, 1791, 3147, 4179, 7343, 9441, 12537, 22029, 66087, 208751, 626253, 1461257, 1878759, 4383771, 13151313]

約数ペア:

[(1, 13151313), (3, 4383771), (7, 1878759), (9, 1461257), (21, 626253), (63, 208751), (199, 66087), (597, 22029), (1049, 12537), (1393, 9441), (1791, 7343), (3147, 4179)]