71207865

素因数分解:

$3^2\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{1523}}^1$

素因数の和:2573

約数の個数: 24

約数和(自身を含む): 123626880

約数和(自身を除く): 52419015

約数列:

[1, 3, 5, 9, 15, 45, 1039, 1523, 3117, 4569, 5195, 7615, 9351, 13707, 15585, 22845, 46755, 68535, 1582397, 4747191, 7911985, 14241573, 23735955, 71207865]

約数ペア:

[(1, 71207865), (3, 23735955), (5, 14241573), (9, 7911985), (15, 4747191), (45, 1582397), (1039, 68535), (1523, 46755), (3117, 22845), (4569, 15585), (5195, 13707), (7615, 9351)]