18408681

素因数分解:

$3^3\times {\mathrm{409}}^1\times {\mathrm{1667}}^1$

素因数の和:2085

約数の個数: 16

約数和(自身を含む): 27355200

約数和(自身を除く): 8946519

約数列:

[1, 3, 9, 27, 409, 1227, 1667, 3681, 5001, 11043, 15003, 45009, 681803, 2045409, 6136227, 18408681]

約数ペア:

[(1, 18408681), (3, 6136227), (9, 2045409), (27, 681803), (409, 45009), (1227, 15003), (1667, 11043), (3681, 5001)]