81873315

素因数分解:

$3^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{2143}}^1$

素因数の和:2440

約数の個数: 32

約数和(自身を含む): 146135040

約数和(自身を除く): 64261725

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 283, 849, 1415, 2143, 2547, 4245, 6429, 7641, 10715, 12735, 19287, 32145, 38205, 57861, 96435, 289305, 606469, 1819407, 3032345, 5458221, 9097035, 16374663, 27291105, 81873315]

約数ペア:

[(1, 81873315), (3, 27291105), (5, 16374663), (9, 9097035), (15, 5458221), (27, 3032345), (45, 1819407), (135, 606469), (283, 289305), (849, 96435), (1415, 57861), (2143, 38205), (2547, 32145), (4245, 19287), (6429, 12735), (7641, 10715)]