39975579

素因数分解:

$3^3\times 7^1\times {\mathrm{257}}^1\times {\mathrm{823}}^1$

素因数の和:1096

約数の個数: 32

約数和(自身を含む): 68029440

約数和(自身を除く): 28053861

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 257, 771, 823, 1799, 2313, 2469, 5397, 5761, 6939, 7407, 16191, 17283, 22221, 48573, 51849, 155547, 211511, 634533, 1480577, 1903599, 4441731, 5710797, 13325193, 39975579]

約数ペア:

[(1, 39975579), (3, 13325193), (7, 5710797), (9, 4441731), (21, 1903599), (27, 1480577), (63, 634533), (189, 211511), (257, 155547), (771, 51849), (823, 48573), (1799, 22221), (2313, 17283), (2469, 16191), (5397, 7407), (5761, 6939)]