201323979

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 320246784

約数和(自身を除く): 118922805

約数列:

[1, 3, 9, 17, 43, 51, 71, 129, 153, 213, 387, 431, 639, 731, 1207, 1293, 2193, 3053, 3621, 3879, 6579, 7327, 9159, 10863, 18533, 21981, 27477, 30601, 51901, 55599, 65943, 91803, 155703, 166797, 275409, 315061, 467109, 520217, 945183, 1315843, 1560651, 2835549, 3947529, 4681953, 11842587, 22369331, 67107993, 201323979]

約数ペア:

[(1, 201323979), (3, 67107993), (9, 22369331), (17, 11842587), (43, 4681953), (51, 3947529), (71, 2835549), (129, 1560651), (153, 1315843), (213, 945183), (387, 520217), (431, 467109), (639, 315061), (731, 275409), (1207, 166797), (1293, 155703), (2193, 91803), (3053, 65943), (3621, 55599), (3879, 51901), (6579, 30601), (7327, 27477), (9159, 21981), (10863, 18533)]