206548221

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 332513280

約数和(自身を除く): 125965059

約数列:

[1, 3, 11, 19, 33, 43, 47, 57, 129, 141, 163, 209, 473, 489, 517, 627, 817, 893, 1419, 1551, 1793, 2021, 2451, 2679, 3097, 5379, 6063, 7009, 7661, 8987, 9291, 9823, 21027, 22231, 22983, 26961, 29469, 34067, 38399, 66693, 77099, 84271, 102201, 115197, 133171, 145559, 231297, 252813, 329423, 399513, 422389, 436677, 988269, 1267167, 1464881, 1601149, 3623653, 4394643, 4803447, 6259037, 10870959, 18777111, 68849407, 206548221]

約数ペア:

[(1, 206548221), (3, 68849407), (11, 18777111), (19, 10870959), (33, 6259037), (43, 4803447), (47, 4394643), (57, 3623653), (129, 1601149), (141, 1464881), (163, 1267167), (209, 988269), (473, 436677), (489, 422389), (517, 399513), (627, 329423), (817, 252813), (893, 231297), (1419, 145559), (1551, 133171), (1793, 115197), (2021, 102201), (2451, 84271), (2679, 77099), (3097, 66693), (5379, 38399), (6063, 34067), (7009, 29469), (7661, 26961), (8987, 22983), (9291, 22231), (9823, 21027)]