223555215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 398103552

約数和(自身を除く): 174548337

約数列:

[1, 3, 5, 13, 15, 39, 65, 67, 71, 195, 201, 213, 241, 335, 355, 723, 871, 923, 1005, 1065, 1205, 2613, 2769, 3133, 3615, 4355, 4615, 4757, 9399, 13065, 13845, 14271, 15665, 16147, 17111, 23785, 46995, 48441, 51333, 61841, 71355, 80735, 85555, 185523, 209911, 222443, 242205, 256665, 309205, 629733, 667329, 927615, 1049555, 1112215, 1146437, 3148665, 3336645, 3439311, 5732185, 14903681, 17196555, 44711043, 74518405, 223555215]

約数ペア:

[(1, 223555215), (3, 74518405), (5, 44711043), (13, 17196555), (15, 14903681), (39, 5732185), (65, 3439311), (67, 3336645), (71, 3148665), (195, 1146437), (201, 1112215), (213, 1049555), (241, 927615), (335, 667329), (355, 629733), (723, 309205), (871, 256665), (923, 242205), (1005, 222443), (1065, 209911), (1205, 185523), (2613, 85555), (2769, 80735), (3133, 71355), (3615, 61841), (4355, 51333), (4615, 48441), (4757, 46995), (9399, 23785), (13065, 17111), (13845, 16147), (14271, 15665)]