199679985

素因数分解:

$3^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2153}}^1$

素因数の和:2399

約数の個数: 40

約数和(自身を含む): 359674920

約数和(自身を除く): 159994935

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 229, 405, 687, 1145, 2061, 2153, 3435, 6183, 6459, 10305, 10765, 18549, 19377, 30915, 32295, 58131, 92745, 96885, 174393, 290655, 493037, 871965, 1479111, 2465185, 4437333, 7395555, 13311999, 22186665, 39935997, 66559995, 199679985]

約数ペア:

[(1, 199679985), (3, 66559995), (5, 39935997), (9, 22186665), (15, 13311999), (27, 7395555), (45, 4437333), (81, 2465185), (135, 1479111), (229, 871965), (405, 493037), (687, 290655), (1145, 174393), (2061, 96885), (2153, 92745), (3435, 58131), (6183, 32295), (6459, 30915), (10305, 19377), (10765, 18549)]