520040241

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{907}}^1$

素因数の和:1418

約数の個数: 48

約数和(自身を含む): 906547200

約数和(自身を除く): 386506959

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 479, 907, 1197, 1437, 2721, 3353, 4311, 6349, 8163, 9101, 10059, 17233, 19047, 27303, 30177, 51699, 57141, 63707, 81909, 120631, 155097, 191121, 361893, 434453, 573363, 1085679, 1303359, 3041171, 3910077, 8254607, 9123513, 24763821, 27370539, 57782249, 74291463, 173346747, 520040241]

約数ペア:

[(1, 520040241), (3, 173346747), (7, 74291463), (9, 57782249), (19, 27370539), (21, 24763821), (57, 9123513), (63, 8254607), (133, 3910077), (171, 3041171), (399, 1303359), (479, 1085679), (907, 573363), (1197, 434453), (1437, 361893), (2721, 191121), (3353, 155097), (4311, 120631), (6349, 81909), (8163, 63707), (9101, 57141), (10059, 51699), (17233, 30177), (19047, 27303)]