15664086747

素因数分解:

$3^4\times {\mathrm{491}}^1\times {\mathrm{393857}}^1$

素因数の和:394360

約数の個数: 20

約数和(自身を含む): 23447154456

約数和(自身を除く): 7783067709

約数列:

[1, 3, 9, 27, 81, 491, 1473, 4419, 13257, 39771, 393857, 1181571, 3544713, 10634139, 31902417, 193383787, 580151361, 1740454083, 5221362249, 15664086747]

約数ペア:

[(1, 15664086747), (3, 5221362249), (9, 1740454083), (27, 580151361), (81, 193383787), (491, 31902417), (1473, 10634139), (4419, 3544713), (13257, 1181571), (39771, 393857)]