395434251

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{4729}}^1$

素因数の和:4920

約数の個数: 32

約数和(自身を含む): 620576000

約数和(自身を除く): 225141749

約数列:

[1, 3, 9, 19, 27, 57, 163, 171, 489, 513, 1467, 3097, 4401, 4729, 9291, 14187, 27873, 42561, 83619, 89851, 127683, 269553, 770827, 808659, 2312481, 2425977, 6937443, 14645713, 20812329, 43937139, 131811417, 395434251]

約数ペア:

[(1, 395434251), (3, 131811417), (9, 43937139), (19, 20812329), (27, 14645713), (57, 6937443), (163, 2425977), (171, 2312481), (489, 808659), (513, 770827), (1467, 269553), (3097, 127683), (4401, 89851), (4729, 83619), (9291, 42561), (14187, 27873)]