17978321691

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:550

約数の個数: 108

約数和(自身を含む): 30286063080

約数和(自身を除く): 12307741389

約数列:

[1, 3, 9, 11, 31, 33, 41, 93, 99, 121, 123, 279, 341, 363, 369, 419, 451, 961, 1023, 1089, 1257, 1271, 1353, 2883, 3069, 3751, 3771, 3813, 4059, 4609, 4961, 8649, 10571, 11253, 11439, 12989, 13827, 13981, 14883, 17179, 31713, 33759, 38967, 39401, 41481, 41943, 44649, 50699, 51537, 95139, 116281, 116901, 118203, 125829, 142879, 152097, 153791, 154611, 188969, 348843, 354609, 402659, 428637, 433411, 456291, 461373, 532549, 566907, 1046529, 1207977, 1285911, 1300233, 1384119, 1571669, 1597647, 1700721, 2078659, 3623931, 3900699, 4429249, 4715007, 4767521, 4792941, 5858039, 6235977, 13287747, 14145021, 14302563, 16509019, 17574117, 18707931, 39863241, 42907689, 48721739, 49527057, 52722351, 64438429, 146165217, 148581171, 181599209, 193315287, 438495651, 544797627, 579945861, 1634392881, 1997591299, 5992773897, 17978321691]

約数ペア:

[(1, 17978321691), (3, 5992773897), (9, 1997591299), (11, 1634392881), (31, 579945861), (33, 544797627), (41, 438495651), (93, 193315287), (99, 181599209), (121, 148581171), (123, 146165217), (279, 64438429), (341, 52722351), (363, 49527057), (369, 48721739), (419, 42907689), (451, 39863241), (961, 18707931), (1023, 17574117), (1089, 16509019), (1257, 14302563), (1271, 14145021), (1353, 13287747), (2883, 6235977), (3069, 5858039), (3751, 4792941), (3771, 4767521), (3813, 4715007), (4059, 4429249), (4609, 3900699), (4961, 3623931), (8649, 2078659), (10571, 1700721), (11253, 1597647), (11439, 1571669), (12989, 1384119), (13827, 1300233), (13981, 1285911), (14883, 1207977), (17179, 1046529), (31713, 566907), (33759, 532549), (38967, 461373), (39401, 456291), (41481, 433411), (41943, 428637), (44649, 402659), (50699, 354609), (51537, 348843), (95139, 188969), (116281, 154611), (116901, 153791), (118203, 152097), (125829, 142879)]