12722805

素因数分解:

$3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1291}}^1$

素因数の和:1378

約数の個数: 32

約数和(自身を含む): 22945920

約数和(自身を除く): 10223115

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 135, 219, 365, 657, 1095, 1291, 1971, 3285, 3873, 6455, 9855, 11619, 19365, 34857, 58095, 94243, 174285, 282729, 471215, 848187, 1413645, 2544561, 4240935, 12722805]

約数ペア:

[(1, 12722805), (3, 4240935), (5, 2544561), (9, 1413645), (15, 848187), (27, 471215), (45, 282729), (73, 174285), (135, 94243), (219, 58095), (365, 34857), (657, 19365), (1095, 11619), (1291, 9855), (1971, 6455), (3285, 3873)]