15220389

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 22861440

約数和(自身を除く): 7641051

約数列:

[1, 3, 17, 29, 41, 51, 87, 123, 251, 493, 697, 753, 1189, 1479, 2091, 3567, 4267, 7279, 10291, 12801, 20213, 21837, 30873, 60639, 123743, 174947, 298439, 371229, 524841, 895317, 5073463, 15220389]

約数ペア:

[(1, 15220389), (3, 5073463), (17, 895317), (29, 524841), (41, 371229), (51, 298439), (87, 174947), (123, 123743), (251, 60639), (493, 30873), (697, 21837), (753, 20213), (1189, 12801), (1479, 10291), (2091, 7279), (3567, 4267)]