213882903

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:485

約数の個数: 64

約数和(自身を含む): 359546880

約数和(自身を除く): 145663977

約数列:

[1, 3, 9, 13, 27, 37, 39, 43, 111, 117, 129, 333, 351, 383, 387, 481, 559, 999, 1149, 1161, 1443, 1591, 1677, 3447, 4329, 4773, 4979, 5031, 10341, 12987, 14171, 14319, 14937, 15093, 16469, 20683, 42513, 42957, 44811, 49407, 62049, 127539, 134433, 148221, 184223, 186147, 214097, 382617, 444663, 552669, 558441, 609353, 642291, 1658007, 1828059, 1926873, 4974021, 5484177, 5780619, 7921589, 16452531, 23764767, 71294301, 213882903]

約数ペア:

[(1, 213882903), (3, 71294301), (9, 23764767), (13, 16452531), (27, 7921589), (37, 5780619), (39, 5484177), (43, 4974021), (111, 1926873), (117, 1828059), (129, 1658007), (333, 642291), (351, 609353), (383, 558441), (387, 552669), (481, 444663), (559, 382617), (999, 214097), (1149, 186147), (1161, 184223), (1443, 148221), (1591, 134433), (1677, 127539), (3447, 62049), (4329, 49407), (4773, 44811), (4979, 42957), (5031, 42513), (10341, 20683), (12987, 16469), (14171, 15093), (14319, 14937)]