51843285

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{401}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 103286664

約数和(自身を除く): 51443379

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 169, 195, 221, 255, 401, 507, 585, 663, 765, 845, 1105, 1203, 1521, 1989, 2005, 2535, 2873, 3315, 3609, 5213, 6015, 6817, 7605, 8619, 9945, 14365, 15639, 18045, 20451, 25857, 26065, 34085, 43095, 46917, 61353, 67769, 78195, 88621, 102255, 129285, 203307, 234585, 265863, 306765, 338845, 443105, 609921, 797589, 1016535, 1152073, 1329315, 3049605, 3456219, 3987945, 5760365, 10368657, 17281095, 51843285]

約数ペア:

[(1, 51843285), (3, 17281095), (5, 10368657), (9, 5760365), (13, 3987945), (15, 3456219), (17, 3049605), (39, 1329315), (45, 1152073), (51, 1016535), (65, 797589), (85, 609921), (117, 443105), (153, 338845), (169, 306765), (195, 265863), (221, 234585), (255, 203307), (401, 129285), (507, 102255), (585, 88621), (663, 78195), (765, 67769), (845, 61353), (1105, 46917), (1203, 43095), (1521, 34085), (1989, 26065), (2005, 25857), (2535, 20451), (2873, 18045), (3315, 15639), (3609, 14365), (5213, 9945), (6015, 8619), (6817, 7605)]