27404247

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 41545728

約数和(自身を除く): 14141481

約数列:

[1, 3, 13, 23, 39, 69, 137, 223, 299, 411, 669, 897, 1781, 2899, 3151, 5129, 5343, 8697, 9453, 15387, 30551, 40963, 66677, 91653, 122889, 200031, 397163, 702673, 1191489, 2108019, 9134749, 27404247]

約数ペア:

[(1, 27404247), (3, 9134749), (13, 2108019), (23, 1191489), (39, 702673), (69, 397163), (137, 200031), (223, 122889), (299, 91653), (411, 66677), (669, 40963), (897, 30551), (1781, 15387), (2899, 9453), (3151, 8697), (5129, 5343)]