90308211

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 140428800

約数和(自身を除く): 50120589

約数列:

[1, 3, 7, 21, 89, 211, 229, 267, 623, 633, 687, 1477, 1603, 1869, 4431, 4809, 18779, 20381, 48319, 56337, 61143, 131453, 142667, 144957, 338233, 394359, 428001, 1014699, 4300391, 12901173, 30102737, 90308211]

約数ペア:

[(1, 90308211), (3, 30102737), (7, 12901173), (21, 4300391), (89, 1014699), (211, 428001), (229, 394359), (267, 338233), (623, 144957), (633, 142667), (687, 131453), (1477, 61143), (1603, 56337), (1869, 48319), (4431, 20381), (4809, 18779)]