405685683

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{2447}}^1$

素因数の和:2588

約数の個数: 36

約数和(自身を含む): 640617120

約数和(自身を除く): 234931437

約数列:

[1, 3, 9, 13, 39, 109, 117, 169, 327, 507, 981, 1417, 1521, 2447, 4251, 7341, 12753, 18421, 22023, 31811, 55263, 95433, 165789, 266723, 286299, 413543, 800169, 1240629, 2400507, 3467399, 3721887, 10402197, 31206591, 45076187, 135228561, 405685683]

約数ペア:

[(1, 405685683), (3, 135228561), (9, 45076187), (13, 31206591), (39, 10402197), (109, 3721887), (117, 3467399), (169, 2400507), (327, 1240629), (507, 800169), (981, 413543), (1417, 286299), (1521, 266723), (2447, 165789), (4251, 95433), (7341, 55263), (12753, 31811), (18421, 22023)]