201979557

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2113}}^1$

素因数の和:2194

約数の個数: 48

約数和(自身を含む): 338578240

約数和(自身を除く): 136598683

約数列:

[1, 3, 9, 13, 19, 39, 43, 57, 117, 129, 171, 247, 387, 559, 741, 817, 1677, 2113, 2223, 2451, 5031, 6339, 7353, 10621, 19017, 27469, 31863, 40147, 82407, 90859, 95589, 120441, 247221, 272577, 361323, 521911, 817731, 1181167, 1565733, 1726321, 3543501, 4697199, 5178963, 10630503, 15536889, 22442173, 67326519, 201979557]

約数ペア:

[(1, 201979557), (3, 67326519), (9, 22442173), (13, 15536889), (19, 10630503), (39, 5178963), (43, 4697199), (57, 3543501), (117, 1726321), (129, 1565733), (171, 1181167), (247, 817731), (387, 521911), (559, 361323), (741, 272577), (817, 247221), (1677, 120441), (2113, 95589), (2223, 90859), (2451, 82407), (5031, 40147), (6339, 31863), (7353, 27469), (10621, 19017)]