258630057

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{22433}}^1$

素因数の和:22510

約数の個数: 32

約数和(自身を含む): 445090560

約数和(自身を除く): 186460503

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 183, 189, 427, 549, 1281, 1647, 3843, 11529, 22433, 67299, 157031, 201897, 471093, 605691, 1368413, 1413279, 4105239, 4239837, 9578891, 12315717, 28736673, 36947151, 86210019, 258630057]

約数ペア:

[(1, 258630057), (3, 86210019), (7, 36947151), (9, 28736673), (21, 12315717), (27, 9578891), (61, 4239837), (63, 4105239), (183, 1413279), (189, 1368413), (427, 605691), (549, 471093), (1281, 201897), (1647, 157031), (3843, 67299), (11529, 22433)]