228225879

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 401420448

約数和(自身を除く): 173194569

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 71, 111, 147, 197, 213, 259, 333, 441, 497, 591, 639, 777, 1379, 1491, 1773, 1813, 2331, 2627, 3479, 4137, 4473, 5439, 7289, 7881, 9653, 10437, 12411, 13987, 16317, 18389, 21867, 23643, 28959, 31311, 41961, 51023, 55167, 65601, 86877, 97909, 125883, 128723, 153069, 165501, 293727, 357161, 386169, 459207, 517519, 685363, 881181, 1071483, 1158507, 1552557, 2056089, 3214449, 3622633, 4657671, 6168267, 10867899, 25358431, 32603697, 76075293, 228225879]

約数ペア:

[(1, 228225879), (3, 76075293), (7, 32603697), (9, 25358431), (21, 10867899), (37, 6168267), (49, 4657671), (63, 3622633), (71, 3214449), (111, 2056089), (147, 1552557), (197, 1158507), (213, 1071483), (259, 881181), (333, 685363), (441, 517519), (497, 459207), (591, 386169), (639, 357161), (777, 293727), (1379, 165501), (1491, 153069), (1773, 128723), (1813, 125883), (2331, 97909), (2627, 86877), (3479, 65601), (4137, 55167), (4473, 51023), (5439, 41961), (7289, 31311), (7881, 28959), (9653, 23643), (10437, 21867), (12411, 18389), (13987, 16317)]