28305158427

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{593}}^1\times {\mathrm{19427}}^1$

素因数の和:20049

約数の個数: 64

約数和(自身を含む): 51700239360

約数和(自身を除く): 23395080933

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 593, 819, 1779, 2457, 4151, 5337, 7709, 12453, 16011, 19427, 23127, 37359, 53963, 58281, 69381, 112077, 135989, 161889, 174843, 208143, 252551, 407967, 485667, 524529, 757653, 1223901, 1457001, 1767857, 2272959, 3671703, 5303571, 6818877, 11520211, 15910713, 34560633, 47732139, 80641477, 103681899, 149762743, 241924431, 311045697, 449288229, 725773293, 1048339201, 1347864687, 2177319879, 3145017603, 4043594061, 9435052809, 28305158427]

約数ペア:

[(1, 28305158427), (3, 9435052809), (7, 4043594061), (9, 3145017603), (13, 2177319879), (21, 1347864687), (27, 1048339201), (39, 725773293), (63, 449288229), (91, 311045697), (117, 241924431), (189, 149762743), (273, 103681899), (351, 80641477), (593, 47732139), (819, 34560633), (1779, 15910713), (2457, 11520211), (4151, 6818877), (5337, 5303571), (7709, 3671703), (12453, 2272959), (16011, 1767857), (19427, 1457001), (23127, 1223901), (37359, 757653), (53963, 524529), (58281, 485667), (69381, 407967), (112077, 252551), (135989, 208143), (161889, 174843)]