2553555213

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{7219}}^1$

素因数の和:7639

約数の個数: 40

約数和(自身を含む): 4172409120

約数和(自身を除く): 1618853907

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 397, 891, 1191, 3573, 4367, 7219, 10719, 13101, 21657, 32157, 39303, 64971, 79409, 117909, 194913, 238227, 353727, 584739, 714681, 2144043, 2865943, 6432129, 8597829, 25793487, 31525373, 77380461, 94576119, 232141383, 283728357, 851185071, 2553555213]

約数ペア:

[(1, 2553555213), (3, 851185071), (9, 283728357), (11, 232141383), (27, 94576119), (33, 77380461), (81, 31525373), (99, 25793487), (297, 8597829), (397, 6432129), (891, 2865943), (1191, 2144043), (3573, 714681), (4367, 584739), (7219, 353727), (10719, 238227), (13101, 194913), (21657, 117909), (32157, 79409), (39303, 64971)]