12457557

素因数分解:

$3^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:319

約数の個数: 40

約数和(自身を含む): 21559296

約数和(自身を除く): 9101739

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 127, 173, 189, 381, 519, 567, 889, 1143, 1211, 1557, 2667, 3429, 3633, 4671, 8001, 10287, 10899, 14013, 21971, 24003, 32697, 65913, 72009, 98091, 153797, 197739, 461391, 593217, 1384173, 1779651, 4152519, 12457557]

約数ペア:

[(1, 12457557), (3, 4152519), (7, 1779651), (9, 1384173), (21, 593217), (27, 461391), (63, 197739), (81, 153797), (127, 98091), (173, 72009), (189, 65913), (381, 32697), (519, 24003), (567, 21971), (889, 14013), (1143, 10899), (1211, 10287), (1557, 8001), (2667, 4671), (3429, 3633)]