64273815

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{20117}}^1$

素因数の和:20199

約数の個数: 24

約数和(自身を含む): 112982688

約数和(自身を除く): 48708873

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 20117, 60351, 100585, 181053, 301755, 905265, 1428307, 4284921, 7141535, 12854763, 21424605, 64273815]

約数ペア:

[(1, 64273815), (3, 21424605), (5, 12854763), (9, 7141535), (15, 4284921), (45, 1428307), (71, 905265), (213, 301755), (355, 181053), (639, 100585), (1065, 60351), (3195, 20117)]