68857155

素因数分解:

$3^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1609}}^1$

素因数の和:1940

約数の個数: 32

約数和(自身を含む): 122875200

約数和(自身を除く): 54018045

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 317, 951, 1585, 1609, 2853, 4755, 4827, 8045, 8559, 14265, 14481, 24135, 42795, 43443, 72405, 217215, 510053, 1530159, 2550265, 4590477, 7650795, 13771431, 22952385, 68857155]

約数ペア:

[(1, 68857155), (3, 22952385), (5, 13771431), (9, 7650795), (15, 4590477), (27, 2550265), (45, 1530159), (135, 510053), (317, 217215), (951, 72405), (1585, 43443), (1609, 42795), (2853, 24135), (4755, 14481), (4827, 14265), (8045, 8559)]