64815387

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{2609}}^1$

素因数の和:2652

約数の個数: 36

約数和(自身を含む): 108899640

約数和(自身を除く): 44084253

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 169, 273, 507, 637, 1183, 1911, 2609, 3549, 7827, 8281, 18263, 24843, 33917, 54789, 101751, 127841, 237419, 383523, 440921, 712257, 1322763, 1661933, 3086447, 4985799, 9259341, 21605129, 64815387]

約数ペア:

[(1, 64815387), (3, 21605129), (7, 9259341), (13, 4985799), (21, 3086447), (39, 1661933), (49, 1322763), (91, 712257), (147, 440921), (169, 383523), (273, 237419), (507, 127841), (637, 101751), (1183, 54789), (1911, 33917), (2609, 24843), (3549, 18263), (7827, 8281)]