81748485

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19963}}^1$

素因数の和:19994

約数の個数: 48

約数和(自身を含む): 174405504

約数和(自身を除く): 92657019

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 19963, 59889, 99815, 139741, 179667, 259519, 299445, 419223, 698705, 778557, 898335, 1257669, 1297595, 1816633, 2096115, 2335671, 3892785, 5449899, 6288345, 9083165, 11678355, 16349697, 27249495, 81748485]

約数ペア:

[(1, 81748485), (3, 27249495), (5, 16349697), (7, 11678355), (9, 9083165), (13, 6288345), (15, 5449899), (21, 3892785), (35, 2335671), (39, 2096115), (45, 1816633), (63, 1297595), (65, 1257669), (91, 898335), (105, 778557), (117, 698705), (195, 419223), (273, 299445), (315, 259519), (455, 179667), (585, 139741), (819, 99815), (1365, 59889), (4095, 19963)]