18011511

素因数分解:

$3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{607}}^1$

素因数の和:780

約数の個数: 32

約数和(自身を含む): 30740480

約数和(自身を除く): 12728969

約数列:

[1, 3, 7, 9, 21, 27, 63, 157, 189, 471, 607, 1099, 1413, 1821, 3297, 4239, 4249, 5463, 9891, 12747, 16389, 29673, 38241, 95299, 114723, 285897, 667093, 857691, 2001279, 2573073, 6003837, 18011511]

約数ペア:

[(1, 18011511), (3, 6003837), (7, 2573073), (9, 2001279), (21, 857691), (27, 667093), (63, 285897), (157, 114723), (189, 95299), (471, 38241), (607, 29673), (1099, 16389), (1413, 12747), (1821, 9891), (3297, 5463), (4239, 4249)]