42720801

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^2\times {\mathrm{89}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 59922720

約数和(自身を除く): 17201919

約数列:

[1, 3, 43, 61, 89, 129, 183, 267, 2623, 3721, 3827, 5429, 7869, 11163, 11481, 16287, 160003, 233447, 331169, 480009, 700341, 993507, 14240267, 42720801]

約数ペア:

[(1, 42720801), (3, 14240267), (43, 993507), (61, 700341), (89, 480009), (129, 331169), (183, 233447), (267, 160003), (2623, 16287), (3721, 11481), (3827, 11163), (5429, 7869)]