128873241

素因数分解:

$3^3\times 7^1\times {\mathrm{193}}^1\times {\mathrm{3533}}^1$

素因数の和:3742

約数の個数: 32

約数和(自身を含む): 219390720

約数和(自身を除く): 90517479

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 193, 579, 1351, 1737, 3533, 4053, 5211, 10599, 12159, 24731, 31797, 36477, 74193, 95391, 222579, 667737, 681869, 2045607, 4773083, 6136821, 14319249, 18410463, 42957747, 128873241]

約数ペア:

[(1, 128873241), (3, 42957747), (7, 18410463), (9, 14319249), (21, 6136821), (27, 4773083), (63, 2045607), (189, 681869), (193, 667737), (579, 222579), (1351, 95391), (1737, 74193), (3533, 36477), (4053, 31797), (5211, 24731), (10599, 12159)]