208025787

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{3271}}^1$

素因数の和:3363

約数の個数: 32

約数和(自身を含む): 310970880

約数和(自身を除く): 102945093

約数列:

[1, 3, 17, 29, 43, 51, 87, 129, 493, 731, 1247, 1479, 2193, 3271, 3741, 9813, 21199, 55607, 63597, 94859, 140653, 166821, 284577, 421959, 1612603, 2391101, 4078937, 4837809, 7173303, 12236811, 69341929, 208025787]

約数ペア:

[(1, 208025787), (3, 69341929), (17, 12236811), (29, 7173303), (43, 4837809), (51, 4078937), (87, 2391101), (129, 1612603), (493, 421959), (731, 284577), (1247, 166821), (1479, 140653), (2193, 94859), (3271, 63597), (3741, 55607), (9813, 21199)]