85409805

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 154828800

約数和(自身を除く): 69418995

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 71, 93, 155, 195, 199, 213, 355, 403, 465, 597, 923, 995, 1065, 1209, 2015, 2201, 2587, 2769, 2985, 4615, 6045, 6169, 6603, 7761, 11005, 12935, 13845, 14129, 18507, 28613, 30845, 33015, 38805, 42387, 70645, 80197, 85839, 92535, 143065, 183677, 211935, 240591, 400985, 429195, 437999, 551031, 918385, 1202955, 1313997, 2189995, 2755155, 5693987, 6569985, 17081961, 28469935, 85409805]

約数ペア:

[(1, 85409805), (3, 28469935), (5, 17081961), (13, 6569985), (15, 5693987), (31, 2755155), (39, 2189995), (65, 1313997), (71, 1202955), (93, 918385), (155, 551031), (195, 437999), (199, 429195), (213, 400985), (355, 240591), (403, 211935), (465, 183677), (597, 143065), (923, 92535), (995, 85839), (1065, 80197), (1209, 70645), (2015, 42387), (2201, 38805), (2587, 33015), (2769, 30845), (2985, 28613), (4615, 18507), (6045, 14129), (6169, 13845), (6603, 12935), (7761, 11005)]