71916831

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{5119}}^1$

素因数の和:5355

約数の個数: 24

約数和(自身を含む): 119275520

約数和(自身を除く): 47358689

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 1561, 2007, 4683, 5119, 14049, 15357, 35833, 46071, 107499, 322497, 1141537, 3424611, 7990759, 10273833, 23972277, 71916831]

約数ペア:

[(1, 71916831), (3, 23972277), (7, 10273833), (9, 7990759), (21, 3424611), (63, 1141537), (223, 322497), (669, 107499), (1561, 46071), (2007, 35833), (4683, 15357), (5119, 14049)]