51244713

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 84389760

約数和(自身を除く): 33145047

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 137, 139, 207, 299, 411, 417, 897, 1233, 1251, 1781, 1807, 2691, 3151, 3197, 5343, 5421, 9453, 9591, 16029, 16263, 19043, 28359, 28773, 40963, 41561, 57129, 122889, 124683, 171387, 247559, 368667, 374049, 437989, 742677, 1313967, 2228031, 3941901, 5693857, 17081571, 51244713]

約数ペア:

[(1, 51244713), (3, 17081571), (9, 5693857), (13, 3941901), (23, 2228031), (39, 1313967), (69, 742677), (117, 437989), (137, 374049), (139, 368667), (207, 247559), (299, 171387), (411, 124683), (417, 122889), (897, 57129), (1233, 41561), (1251, 40963), (1781, 28773), (1807, 28359), (2691, 19043), (3151, 16263), (3197, 16029), (5343, 9591), (5421, 9453)]