287317233

素因数分解:

$3^3\times 7^2\times {\mathrm{79}}^1\times {\mathrm{2749}}^1$

素因数の和:2851

約数の個数: 48

約数和(自身を含む): 501600000

約数和(自身を除く): 214282767

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 79, 147, 189, 237, 441, 553, 711, 1323, 1659, 2133, 2749, 3871, 4977, 8247, 11613, 14931, 19243, 24741, 34839, 57729, 74223, 104517, 134701, 173187, 217171, 404103, 519561, 651513, 1212309, 1520197, 1954539, 3636927, 4560591, 5863617, 10641379, 13681773, 31924137, 41045319, 95772411, 287317233]

約数ペア:

[(1, 287317233), (3, 95772411), (7, 41045319), (9, 31924137), (21, 13681773), (27, 10641379), (49, 5863617), (63, 4560591), (79, 3636927), (147, 1954539), (189, 1520197), (237, 1212309), (441, 651513), (553, 519561), (711, 404103), (1323, 217171), (1659, 173187), (2133, 134701), (2749, 104517), (3871, 74223), (4977, 57729), (8247, 34839), (11613, 24741), (14931, 19243)]