287678919

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{1427}}^1$

素因数の和:1631

約数の個数: 32

約数和(自身を含む): 431827200

約数和(自身を除く): 144148281

約数列:

[1, 3, 11, 33, 41, 123, 149, 447, 451, 1353, 1427, 1639, 4281, 4917, 6109, 15697, 18327, 47091, 58507, 67199, 175521, 201597, 212623, 637869, 643577, 1930731, 2338853, 7016559, 8717543, 26152629, 95892973, 287678919]

約数ペア:

[(1, 287678919), (3, 95892973), (11, 26152629), (33, 8717543), (41, 7016559), (123, 2338853), (149, 1930731), (447, 643577), (451, 637869), (1353, 212623), (1427, 201597), (1639, 175521), (4281, 67199), (4917, 58507), (6109, 47091), (15697, 18327)]