28003437

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2377}}^1$

素因数の和:2418

約数の個数: 48

約数和(自身を含む): 53419392

約数和(自身を除く): 25415955

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 51, 63, 77, 99, 119, 153, 187, 231, 357, 561, 693, 1071, 1309, 1683, 2377, 3927, 7131, 11781, 16639, 21393, 26147, 40409, 49917, 78441, 121227, 149751, 183029, 235323, 282863, 363681, 444499, 549087, 848589, 1333497, 1647261, 2545767, 3111493, 4000491, 9334479, 28003437]

約数ペア:

[(1, 28003437), (3, 9334479), (7, 4000491), (9, 3111493), (11, 2545767), (17, 1647261), (21, 1333497), (33, 848589), (51, 549087), (63, 444499), (77, 363681), (99, 282863), (119, 235323), (153, 183029), (187, 149751), (231, 121227), (357, 78441), (561, 49917), (693, 40409), (1071, 26147), (1309, 21393), (1683, 16639), (2377, 11781), (3927, 7131)]