18206925

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{761}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 34015680

約数和(自身を除く): 15808755

約数列:

[1, 3, 5, 11, 15, 25, 29, 33, 55, 75, 87, 145, 165, 275, 319, 435, 725, 761, 825, 957, 1595, 2175, 2283, 3805, 4785, 7975, 8371, 11415, 19025, 22069, 23925, 25113, 41855, 57075, 66207, 110345, 125565, 209275, 242759, 331035, 551725, 627825, 728277, 1213795, 1655175, 3641385, 6068975, 18206925]

約数ペア:

[(1, 18206925), (3, 6068975), (5, 3641385), (11, 1655175), (15, 1213795), (25, 728277), (29, 627825), (33, 551725), (55, 331035), (75, 242759), (87, 209275), (145, 125565), (165, 110345), (275, 66207), (319, 57075), (435, 41855), (725, 25113), (761, 23925), (825, 22069), (957, 19025), (1595, 11415), (2175, 8371), (2283, 7975), (3805, 4785)]