47640159

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{3391}}^1$

素因数の和:3627

約数の個数: 24

約数和(自身を含む): 79020032

約数和(自身を除く): 31379873

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 1561, 2007, 3391, 4683, 10173, 14049, 23737, 30519, 71211, 213633, 756193, 2268579, 5293351, 6805737, 15880053, 47640159]

約数ペア:

[(1, 47640159), (3, 15880053), (7, 6805737), (9, 5293351), (21, 2268579), (63, 756193), (223, 213633), (669, 71211), (1561, 30519), (2007, 23737), (3391, 14049), (4683, 10173)]