205462803

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 350945280

約数和(自身を除く): 145482477

約数列:

[1, 3, 7, 13, 21, 39, 47, 67, 91, 141, 201, 239, 273, 329, 469, 611, 717, 871, 987, 1407, 1673, 1833, 2613, 3107, 3149, 4277, 5019, 6097, 9321, 9447, 11233, 12831, 16013, 18291, 21749, 22043, 33699, 40937, 48039, 65247, 66129, 78631, 112091, 122811, 146029, 208169, 235893, 286559, 336273, 438087, 624507, 752611, 859677, 1022203, 1457183, 2257833, 3066609, 4371549, 5268277, 9783943, 15804831, 29351829, 68487601, 205462803]

約数ペア:

[(1, 205462803), (3, 68487601), (7, 29351829), (13, 15804831), (21, 9783943), (39, 5268277), (47, 4371549), (67, 3066609), (91, 2257833), (141, 1457183), (201, 1022203), (239, 859677), (273, 752611), (329, 624507), (469, 438087), (611, 336273), (717, 286559), (871, 235893), (987, 208169), (1407, 146029), (1673, 122811), (1833, 112091), (2613, 78631), (3107, 66129), (3149, 65247), (4277, 48039), (5019, 40937), (6097, 33699), (9321, 22043), (9447, 21749), (11233, 18291), (12831, 16013)]