287290419

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{613}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 422097984

約数和(自身を除く): 134807565

約数列:

[1, 3, 13, 39, 61, 183, 197, 591, 613, 793, 1839, 2379, 2561, 7683, 7969, 12017, 23907, 36051, 37393, 112179, 120761, 156221, 362283, 468663, 486109, 1458327, 1569893, 4709679, 7366421, 22099263, 95763473, 287290419]

約数ペア:

[(1, 287290419), (3, 95763473), (13, 22099263), (39, 7366421), (61, 4709679), (183, 1569893), (197, 1458327), (591, 486109), (613, 468663), (793, 362283), (1839, 156221), (2379, 120761), (2561, 112179), (7683, 37393), (7969, 36051), (12017, 23907)]