289656471

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{2081}}^1$

素因数の和:2223

約数の個数: 32

約数和(自身を含む): 430924032

約数和(自身を除く): 141267561

約数列:

[1, 3, 13, 39, 43, 83, 129, 249, 559, 1079, 1677, 2081, 3237, 3569, 6243, 10707, 27053, 46397, 81159, 89483, 139191, 172723, 268449, 518169, 1163279, 2245399, 3489837, 6736197, 7427089, 22281267, 96552157, 289656471]

約数ペア:

[(1, 289656471), (3, 96552157), (13, 22281267), (39, 7427089), (43, 6736197), (83, 3489837), (129, 2245399), (249, 1163279), (559, 518169), (1079, 268449), (1677, 172723), (2081, 139191), (3237, 89483), (3569, 81159), (6243, 46397), (10707, 27053)]