209614209

素因数分解:

$3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{12619}}^1$

素因数の和:12749

約数の個数: 24

約数和(自身を含む): 328019040

約数和(自身を除く): 118404831

約数列:

[1, 3, 7, 21, 49, 113, 147, 339, 791, 2373, 5537, 12619, 16611, 37857, 88333, 264999, 618331, 1425947, 1854993, 4277841, 9981629, 29944887, 69871403, 209614209]

約数ペア:

[(1, 209614209), (3, 69871403), (7, 29944887), (21, 9981629), (49, 4277841), (113, 1854993), (147, 1425947), (339, 618331), (791, 264999), (2373, 88333), (5537, 37857), (12619, 16611)]