21569461569

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1\times {\mathrm{877}}^1$

素因数の和:1296

約数の個数: 80

約数和(自身を含む): 34903007568

約数和(自身を除く): 13333545999

約数列:

[1, 3, 9, 17, 27, 51, 53, 81, 153, 159, 337, 459, 477, 877, 901, 1011, 1377, 1431, 2631, 2703, 3033, 4293, 5729, 7893, 8109, 9099, 14909, 17187, 17861, 23679, 24327, 27297, 44727, 46481, 51561, 53583, 71037, 72981, 134181, 139443, 154683, 160749, 295549, 303637, 402543, 418329, 464049, 482247, 790177, 886647, 910911, 1207629, 1254987, 1446741, 2370531, 2659941, 2732733, 3764961, 5024333, 7111593, 7979823, 8198199, 15072999, 15664097, 21334779, 23939469, 24594597, 45218997, 46992291, 64004337, 135656991, 140976873, 266289649, 406970973, 422930619, 798868947, 1268791857, 2396606841, 7189820523, 21569461569]

約数ペア:

[(1, 21569461569), (3, 7189820523), (9, 2396606841), (17, 1268791857), (27, 798868947), (51, 422930619), (53, 406970973), (81, 266289649), (153, 140976873), (159, 135656991), (337, 64004337), (459, 46992291), (477, 45218997), (877, 24594597), (901, 23939469), (1011, 21334779), (1377, 15664097), (1431, 15072999), (2631, 8198199), (2703, 7979823), (3033, 7111593), (4293, 5024333), (5729, 3764961), (7893, 2732733), (8109, 2659941), (9099, 2370531), (14909, 1446741), (17187, 1254987), (17861, 1207629), (23679, 910911), (24327, 886647), (27297, 790177), (44727, 482247), (46481, 464049), (51561, 418329), (53583, 402543), (71037, 303637), (72981, 295549), (134181, 160749), (139443, 154683)]