18208179

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{607}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 29767680

約数和(自身を除く): 11559501

約数列:

[1, 3, 9, 11, 27, 33, 99, 101, 297, 303, 607, 909, 1111, 1821, 2727, 3333, 5463, 6677, 9999, 16389, 20031, 29997, 60093, 61307, 180279, 183921, 551763, 674377, 1655289, 2023131, 6069393, 18208179]

約数ペア:

[(1, 18208179), (3, 6069393), (9, 2023131), (11, 1655289), (27, 674377), (33, 551763), (99, 183921), (101, 180279), (297, 61307), (303, 60093), (607, 29997), (909, 20031), (1111, 16389), (1821, 9999), (2727, 6677), (3333, 5463)]