1285451721

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{1161203}}^1$

素因数の和:1161253

約数の個数: 16

約数和(自身を含む): 1950822720

約数和(自身を除く): 665370999

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 1161203, 3483609, 10450827, 31352481, 47609323, 142827969, 428483907, 1285451721]

約数ペア:

[(1, 1285451721), (3, 428483907), (9, 142827969), (27, 47609323), (41, 31352481), (123, 10450827), (369, 3483609), (1107, 1161203)]