18073989

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 28425600

約数和(自身を除く): 10351611

約数列:

[1, 3, 9, 27, 29, 41, 87, 123, 261, 369, 563, 783, 1107, 1189, 1689, 3567, 5067, 10701, 15201, 16327, 23083, 32103, 48981, 69249, 146943, 207747, 440829, 623241, 669407, 2008221, 6024663, 18073989]

約数ペア:

[(1, 18073989), (3, 6024663), (9, 2008221), (27, 669407), (29, 623241), (41, 440829), (87, 207747), (123, 146943), (261, 69249), (369, 48981), (563, 32103), (783, 23083), (1107, 16327), (1189, 15201), (1689, 10701), (3567, 5067)]