199665837

素因数分解:

$3^3\times 7^2\times {\mathrm{150919}}^1$

素因数の和:150942

約数の個数: 24

約数和(自身を含む): 344097600

約数和(自身を除く): 144431763

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 150919, 452757, 1056433, 1358271, 3169299, 4074813, 7395031, 9507897, 22185093, 28523691, 66555279, 199665837]

約数ペア:

[(1, 199665837), (3, 66555279), (7, 28523691), (9, 22185093), (21, 9507897), (27, 7395031), (49, 4074813), (63, 3169299), (147, 1358271), (189, 1056433), (441, 452757), (1323, 150919)]