645289173

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{439}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 1014773760

約数和(自身を除く): 369484587

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 263, 439, 621, 789, 1317, 1863, 2367, 3951, 5589, 6049, 7101, 10097, 11853, 18147, 21303, 30291, 35559, 54441, 63909, 90873, 106677, 115457, 163323, 272619, 346371, 489969, 817857, 1039113, 1469907, 2453571, 2655511, 3117339, 7966533, 9352017, 23899599, 28056051, 71698797, 215096391, 645289173]

約数ペア:

[(1, 645289173), (3, 215096391), (9, 71698797), (23, 28056051), (27, 23899599), (69, 9352017), (81, 7966533), (207, 3117339), (243, 2655511), (263, 2453571), (439, 1469907), (621, 1039113), (789, 817857), (1317, 489969), (1863, 346371), (2367, 272619), (3951, 163323), (5589, 115457), (6049, 106677), (7101, 90873), (10097, 63909), (11853, 54441), (18147, 35559), (21303, 30291)]