1261892961

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1054213}}^1$

素因数の和:1054245

約数の個数: 24

約数和(自身を含む): 2192765120

約数和(自身を除く): 930872159

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 1054213, 3162639, 7379491, 9487917, 20030047, 22138473, 60090141, 66415419, 140210329, 180270423, 420630987, 1261892961]

約数ペア:

[(1, 1261892961), (3, 420630987), (7, 180270423), (9, 140210329), (19, 66415419), (21, 60090141), (57, 22138473), (63, 20030047), (133, 9487917), (171, 7379491), (399, 3162639), (1197, 1054213)]