291278139

素因数分解:

$3^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{1423}}^1$

素因数の和:1559

約数の個数: 24

約数和(自身を含む): 407241216

約数和(自身を除く): 115963077

約数列:

[1, 3, 31, 71, 93, 213, 961, 1423, 2201, 2883, 4269, 6603, 44113, 68231, 101033, 132339, 204693, 303099, 1367503, 3132023, 4102509, 9396069, 97092713, 291278139]

約数ペア:

[(1, 291278139), (3, 97092713), (31, 9396069), (71, 4102509), (93, 3132023), (213, 1367503), (961, 303099), (1423, 204693), (2201, 132339), (2883, 101033), (4269, 68231), (6603, 44113)]