15642081

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 28304640

約数和(自身を除く): 12662559

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 71, 91, 117, 213, 269, 273, 497, 639, 807, 819, 923, 1491, 1883, 2421, 2769, 3497, 4473, 5649, 6461, 8307, 10491, 16947, 19099, 19383, 24479, 31473, 57297, 58149, 73437, 133693, 171891, 220311, 248287, 401079, 744861, 1203237, 1738009, 2234583, 5214027, 15642081]

約数ペア:

[(1, 15642081), (3, 5214027), (7, 2234583), (9, 1738009), (13, 1203237), (21, 744861), (39, 401079), (63, 248287), (71, 220311), (91, 171891), (117, 133693), (213, 73437), (269, 58149), (273, 57297), (497, 31473), (639, 24479), (807, 19383), (819, 19099), (923, 16947), (1491, 10491), (1883, 8307), (2421, 6461), (2769, 5649), (3497, 4473)]