520020897

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{1321}}^1$

素因数の和:1565

約数の個数: 32

約数和(自身を含む): 771624960

約数和(自身を除く): 251604063

約数列:

[1, 3, 11, 33, 79, 151, 237, 453, 869, 1321, 1661, 2607, 3963, 4983, 11929, 14531, 35787, 43593, 104359, 131219, 199471, 313077, 393657, 598413, 1147949, 2194181, 3443847, 6582543, 15758209, 47274627, 173340299, 520020897]

約数ペア:

[(1, 520020897), (3, 173340299), (11, 47274627), (33, 15758209), (79, 6582543), (151, 3443847), (237, 2194181), (453, 1147949), (869, 598413), (1321, 393657), (1661, 313077), (2607, 199471), (3963, 131219), (4983, 104359), (11929, 43593), (14531, 35787)]