208017531

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1289}}^1$

素因数の和:1480

約数の個数: 32

約数和(自身を含む): 317856000

約数和(自身を除く): 109838469

約数列:

[1, 3, 9, 27, 43, 129, 139, 387, 417, 1161, 1251, 1289, 3753, 3867, 5977, 11601, 17931, 34803, 53793, 55427, 161379, 166281, 179171, 498843, 537513, 1496529, 1612539, 4837617, 7704353, 23113059, 69339177, 208017531]

約数ペア:

[(1, 208017531), (3, 69339177), (9, 23113059), (27, 7704353), (43, 4837617), (129, 1612539), (139, 1496529), (387, 537513), (417, 498843), (1161, 179171), (1251, 166281), (1289, 161379), (3753, 55427), (3867, 53793), (5977, 34803), (11601, 17931)]