81560115

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2213}}^1$

素因数の和:2250

約数の個数: 80

約数和(自身を含む): 180024768

約数和(自身を除く): 98464653

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 81, 91, 105, 117, 135, 189, 195, 273, 315, 351, 405, 455, 567, 585, 819, 945, 1053, 1365, 1755, 2213, 2457, 2835, 4095, 5265, 6639, 7371, 11065, 12285, 15491, 19917, 28769, 33195, 36855, 46473, 59751, 77455, 86307, 99585, 139419, 143845, 179253, 201383, 232365, 258921, 298755, 418257, 431535, 604149, 697095, 776763, 896265, 1006915, 1254771, 1294605, 1812447, 2091285, 2330289, 3020745, 3883815, 5437341, 6273855, 9062235, 11651445, 16312023, 27186705, 81560115]

約数ペア:

[(1, 81560115), (3, 27186705), (5, 16312023), (7, 11651445), (9, 9062235), (13, 6273855), (15, 5437341), (21, 3883815), (27, 3020745), (35, 2330289), (39, 2091285), (45, 1812447), (63, 1294605), (65, 1254771), (81, 1006915), (91, 896265), (105, 776763), (117, 697095), (135, 604149), (189, 431535), (195, 418257), (273, 298755), (315, 258921), (351, 232365), (405, 201383), (455, 179253), (567, 143845), (585, 139419), (819, 99585), (945, 86307), (1053, 77455), (1365, 59751), (1755, 46473), (2213, 36855), (2457, 33195), (2835, 28769), (4095, 19917), (5265, 15491), (6639, 12285), (7371, 11065)]