1821981915

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{7127}}^1$

素因数の和:7193

約数の個数: 96

約数和(自身を含む): 3736212480

約数和(自身を除く): 1914230565

約数列:

[1, 3, 5, 9, 13, 15, 19, 23, 39, 45, 57, 65, 69, 95, 115, 117, 171, 195, 207, 247, 285, 299, 345, 437, 585, 741, 855, 897, 1035, 1235, 1311, 1495, 2185, 2223, 2691, 3705, 3933, 4485, 5681, 6555, 7127, 11115, 13455, 17043, 19665, 21381, 28405, 35635, 51129, 64143, 85215, 92651, 106905, 135413, 163921, 255645, 277953, 320715, 406239, 463255, 491763, 677065, 819605, 833859, 1218717, 1389765, 1475289, 1760369, 2031195, 2130973, 2458815, 3114499, 4169295, 5281107, 6093585, 6392919, 7376445, 8801845, 9343497, 10654865, 15572495, 15843321, 19178757, 26405535, 28030491, 31964595, 40488487, 46717485, 79216605, 95893785, 121465461, 140152455, 202442435, 364396383, 607327305, 1821981915]

約数ペア:

[(1, 1821981915), (3, 607327305), (5, 364396383), (9, 202442435), (13, 140152455), (15, 121465461), (19, 95893785), (23, 79216605), (39, 46717485), (45, 40488487), (57, 31964595), (65, 28030491), (69, 26405535), (95, 19178757), (115, 15843321), (117, 15572495), (171, 10654865), (195, 9343497), (207, 8801845), (247, 7376445), (285, 6392919), (299, 6093585), (345, 5281107), (437, 4169295), (585, 3114499), (741, 2458815), (855, 2130973), (897, 2031195), (1035, 1760369), (1235, 1475289), (1311, 1389765), (1495, 1218717), (2185, 833859), (2223, 819605), (2691, 677065), (3705, 491763), (3933, 463255), (4485, 406239), (5681, 320715), (6555, 277953), (7127, 255645), (11115, 163921), (13455, 135413), (17043, 106905), (19665, 92651), (21381, 85215), (28405, 64143), (35635, 51129)]