17867205

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 32962176

約数和(自身を除く): 15094971

約数列:

[1, 3, 5, 9, 15, 23, 45, 61, 69, 115, 183, 207, 283, 305, 345, 549, 849, 915, 1035, 1403, 1415, 2547, 2745, 4209, 4245, 6509, 7015, 12627, 12735, 17263, 19527, 21045, 32545, 51789, 58581, 63135, 86315, 97635, 155367, 258945, 292905, 397049, 776835, 1191147, 1985245, 3573441, 5955735, 17867205]

約数ペア:

[(1, 17867205), (3, 5955735), (5, 3573441), (9, 1985245), (15, 1191147), (23, 776835), (45, 397049), (61, 292905), (69, 258945), (115, 155367), (183, 97635), (207, 86315), (283, 63135), (305, 58581), (345, 51789), (549, 32545), (849, 21045), (915, 19527), (1035, 17263), (1403, 12735), (1415, 12627), (2547, 7015), (2745, 6509), (4209, 4245)]