220590903

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{661}}^1$

素因数の和:919

約数の個数: 32

約数和(自身を含む): 326233600

約数和(自身を除く): 105642697

約数列:

[1, 3, 13, 39, 43, 129, 199, 559, 597, 661, 1677, 1983, 2587, 7761, 8557, 8593, 25671, 25779, 28423, 85269, 111241, 131539, 333723, 369499, 394617, 1108497, 1710007, 5130021, 5656177, 16968531, 73530301, 220590903]

約数ペア:

[(1, 220590903), (3, 73530301), (13, 16968531), (39, 5656177), (43, 5130021), (129, 1710007), (199, 1108497), (559, 394617), (597, 369499), (661, 333723), (1677, 131539), (1983, 111241), (2587, 85269), (7761, 28423), (8557, 25779), (8593, 25671)]