213872685

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1009}}^1\times {\mathrm{1087}}^1$

素因数の和:2117

約数の個数: 32

約数和(自身を含む): 369223680

約数和(自身を除く): 155350995

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 1009, 1087, 3027, 3261, 5045, 5435, 13117, 14131, 15135, 16305, 39351, 42393, 65585, 70655, 196755, 211965, 1096783, 3290349, 5483915, 14258179, 16451745, 42774537, 71290895, 213872685]

約数ペア:

[(1, 213872685), (3, 71290895), (5, 42774537), (13, 16451745), (15, 14258179), (39, 5483915), (65, 3290349), (195, 1096783), (1009, 211965), (1087, 196755), (3027, 70655), (3261, 65585), (5045, 42393), (5435, 39351), (13117, 16305), (14131, 15135)]