240178263

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{727}}^1$

素因数の和:983

約数の個数: 32

約数和(自身を含む): 355170816

約数和(自身を除く): 114992553

約数列:

[1, 3, 13, 39, 43, 129, 197, 559, 591, 727, 1677, 2181, 2561, 7683, 8471, 9451, 25413, 28353, 31261, 93783, 110123, 143219, 330369, 406393, 429657, 1219179, 1861847, 5585541, 6158417, 18475251, 80059421, 240178263]

約数ペア:

[(1, 240178263), (3, 80059421), (13, 18475251), (39, 6158417), (43, 5585541), (129, 1861847), (197, 1219179), (559, 429657), (591, 406393), (727, 330369), (1677, 143219), (2181, 110123), (2561, 93783), (7683, 31261), (8471, 28353), (9451, 25413)]