407956131

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{457}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 658464768

約数和(自身を除く): 250508637

約数列:

[1, 3, 9, 11, 33, 71, 99, 127, 213, 381, 457, 639, 781, 1143, 1371, 1397, 2343, 4113, 4191, 5027, 7029, 9017, 12573, 15081, 27051, 32447, 45243, 58039, 81153, 97341, 99187, 174117, 292023, 297561, 356917, 522351, 638429, 892683, 1070751, 1915287, 3212253, 4120769, 5745861, 12362307, 37086921, 45328459, 135985377, 407956131]

約数ペア:

[(1, 407956131), (3, 135985377), (9, 45328459), (11, 37086921), (33, 12362307), (71, 5745861), (99, 4120769), (127, 3212253), (213, 1915287), (381, 1070751), (457, 892683), (639, 638429), (781, 522351), (1143, 356917), (1371, 297561), (1397, 292023), (2343, 174117), (4113, 99187), (4191, 97341), (5027, 81153), (7029, 58039), (9017, 45243), (12573, 32447), (15081, 27051)]