509147457

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{2699}}^1$

素因数の和:3413

約数の個数: 32

約数和(自身を含む): 837043200

約数和(自身を除く): 327895743

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 691, 2073, 2699, 4837, 8097, 8983, 14511, 18893, 26949, 35087, 56679, 62881, 105261, 188643, 245609, 736827, 1865009, 5595027, 13055063, 24245117, 39165189, 72735351, 169715819, 509147457]

約数ペア:

[(1, 509147457), (3, 169715819), (7, 72735351), (13, 39165189), (21, 24245117), (39, 13055063), (91, 5595027), (273, 1865009), (691, 736827), (2073, 245609), (2699, 188643), (4837, 105261), (8097, 62881), (8983, 56679), (14511, 35087), (18893, 26949)]