254243403

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{17299}}^1$

素因数の和:17399

約数の個数: 24

約数和(自身を含む): 388627200

約数和(自身を除く): 134383797

約数列:

[1, 3, 9, 23, 69, 71, 207, 213, 639, 1633, 4899, 14697, 17299, 51897, 155691, 397877, 1193631, 1228229, 3580893, 3684687, 11054061, 28249267, 84747801, 254243403]

約数ペア:

[(1, 254243403), (3, 84747801), (9, 28249267), (23, 11054061), (69, 3684687), (71, 3580893), (207, 1228229), (213, 1193631), (639, 397877), (1633, 155691), (4899, 51897), (14697, 17299)]