12900525

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{823}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 24522240

約数和(自身を除く): 11621715

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 165, 209, 275, 285, 475, 627, 823, 825, 1045, 1425, 2469, 3135, 4115, 5225, 9053, 12345, 15637, 15675, 20575, 27159, 45265, 46911, 61725, 78185, 135795, 172007, 226325, 234555, 390925, 516021, 678975, 860035, 1172775, 2580105, 4300175, 12900525]

約数ペア:

[(1, 12900525), (3, 4300175), (5, 2580105), (11, 1172775), (15, 860035), (19, 678975), (25, 516021), (33, 390925), (55, 234555), (57, 226325), (75, 172007), (95, 135795), (165, 78185), (209, 61725), (275, 46911), (285, 45265), (475, 27159), (627, 20575), (823, 15675), (825, 15637), (1045, 12345), (1425, 9053), (2469, 5225), (3135, 4115)]