420436191

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{115727}}^1$

素因数の和:115910

約数の個数: 16

約数和(自身を含む): 644373504

約数和(自身を除く): 223937313

約数列:

[1, 3, 7, 21, 173, 519, 1211, 3633, 115727, 347181, 810089, 2430267, 20020771, 60062313, 140145397, 420436191]

約数ペア:

[(1, 420436191), (3, 140145397), (7, 60062313), (21, 20020771), (173, 2430267), (519, 810089), (1211, 347181), (3633, 115727)]