66972645

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{18839}}^1$

素因数の和:18929

約数の個数: 24

約数和(自身を含む): 117561600

約数和(自身を除く): 50588955

約数列:

[1, 3, 5, 9, 15, 45, 79, 237, 395, 711, 1185, 3555, 18839, 56517, 94195, 169551, 282585, 847755, 1488281, 4464843, 7441405, 13394529, 22324215, 66972645]

約数ペア:

[(1, 66972645), (3, 22324215), (5, 13394529), (9, 7441405), (15, 4464843), (45, 1488281), (79, 847755), (237, 282585), (395, 169551), (711, 94195), (1185, 56517), (3555, 18839)]