186720147

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{53609}}^1$

素因数の和:53664

約数の個数: 20

約数和(自身を含む): 285419640

約数和(自身を除く): 98699493

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 53609, 160827, 482481, 1447443, 2305187, 4342329, 6915561, 20746683, 62240049, 186720147]

約数ペア:

[(1, 186720147), (3, 62240049), (9, 20746683), (27, 6915561), (43, 4342329), (81, 2305187), (129, 1447443), (387, 482481), (1161, 160827), (3483, 53609)]