205655355

素因数分解:

$3^4\times 5^1\times {\mathrm{617}}^1\times {\mathrm{823}}^1$

素因数の和:1457

約数の個数: 40

約数和(自身を含む): 369702432

約数和(自身を除く): 164047077

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 617, 823, 1851, 2469, 3085, 4115, 5553, 7407, 9255, 12345, 16659, 22221, 27765, 37035, 49977, 66663, 83295, 111105, 249885, 333315, 507791, 1523373, 2538955, 4570119, 7616865, 13710357, 22850595, 41131071, 68551785, 205655355]

約数ペア:

[(1, 205655355), (3, 68551785), (5, 41131071), (9, 22850595), (15, 13710357), (27, 7616865), (45, 4570119), (81, 2538955), (135, 1523373), (405, 507791), (617, 333315), (823, 249885), (1851, 111105), (2469, 83295), (3085, 66663), (4115, 49977), (5553, 37035), (7407, 27765), (9255, 22221), (12345, 16659)]