215925489

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{257}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 347098752

約数和(自身を除く): 131173263

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 167, 257, 387, 501, 559, 771, 1503, 1677, 2171, 2313, 3341, 5031, 6513, 7181, 10023, 11051, 19539, 21543, 30069, 33153, 42919, 64629, 93353, 99459, 128757, 143663, 280059, 386271, 430989, 557947, 840177, 1292967, 1673841, 1845517, 5021523, 5536551, 16609653, 23991721, 71975163, 215925489]

約数ペア:

[(1, 215925489), (3, 71975163), (9, 23991721), (13, 16609653), (39, 5536551), (43, 5021523), (117, 1845517), (129, 1673841), (167, 1292967), (257, 840177), (387, 557947), (501, 430989), (559, 386271), (771, 280059), (1503, 143663), (1677, 128757), (2171, 99459), (2313, 93353), (3341, 64629), (5031, 42919), (6513, 33153), (7181, 30069), (10023, 21543), (11051, 19539)]