66708915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{48871}}^1$

素因数の和:48899

約数の個数: 32

約数和(自身を含む): 131367936

約数和(自身を除く): 64659021

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 48871, 146613, 244355, 342097, 635323, 733065, 1026291, 1710485, 1905969, 3176615, 4447261, 5131455, 9529845, 13341783, 22236305, 66708915]

約数ペア:

[(1, 66708915), (3, 22236305), (5, 13341783), (7, 9529845), (13, 5131455), (15, 4447261), (21, 3176615), (35, 1905969), (39, 1710485), (65, 1026291), (91, 733065), (105, 635323), (195, 342097), (273, 244355), (455, 146613), (1365, 48871)]