1285394019

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{672629}}^1$

素因数の和:672659

約数の個数: 24

約数和(自身を含む): 2147034960

約数和(自身を除く): 861640941

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 672629, 2017887, 4708403, 8744177, 14125209, 26232531, 32958821, 61209239, 98876463, 183627717, 428464673, 1285394019]

約数ペア:

[(1, 1285394019), (3, 428464673), (7, 183627717), (13, 98876463), (21, 61209239), (39, 32958821), (49, 26232531), (91, 14125209), (147, 8744177), (273, 4708403), (637, 2017887), (1911, 672629)]