77580585

素因数分解:

$3^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{859}}^1$

素因数の和:1099

約数の個数: 40

約数和(自身を含む): 139856640

約数和(自身を除く): 62276055

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 223, 405, 669, 859, 1115, 2007, 2577, 3345, 4295, 6021, 7731, 10035, 12885, 18063, 23193, 30105, 38655, 69579, 90315, 115965, 191557, 347895, 574671, 957785, 1724013, 2873355, 5172039, 8620065, 15516117, 25860195, 77580585]

約数ペア:

[(1, 77580585), (3, 25860195), (5, 15516117), (9, 8620065), (15, 5172039), (27, 2873355), (45, 1724013), (81, 957785), (135, 574671), (223, 347895), (405, 191557), (669, 115965), (859, 90315), (1115, 69579), (2007, 38655), (2577, 30105), (3345, 23193), (4295, 18063), (6021, 12885), (7731, 10035)]