16751385

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 34572096

約数和(自身を除く): 17820711

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 71, 105, 107, 147, 213, 245, 315, 321, 355, 441, 497, 535, 639, 735, 749, 963, 1065, 1491, 1605, 2205, 2247, 2485, 3195, 3479, 3745, 4473, 4815, 5243, 6741, 7455, 7597, 10437, 11235, 15729, 17395, 22365, 22791, 26215, 31311, 33705, 37985, 47187, 52185, 53179, 68373, 78645, 113955, 156555, 159537, 235935, 265895, 341865, 372253, 478611, 797685, 1116759, 1861265, 2393055, 3350277, 5583795, 16751385]

約数ペア:

[(1, 16751385), (3, 5583795), (5, 3350277), (7, 2393055), (9, 1861265), (15, 1116759), (21, 797685), (35, 478611), (45, 372253), (49, 341865), (63, 265895), (71, 235935), (105, 159537), (107, 156555), (147, 113955), (213, 78645), (245, 68373), (315, 53179), (321, 52185), (355, 47187), (441, 37985), (497, 33705), (535, 31311), (639, 26215), (735, 22791), (749, 22365), (963, 17395), (1065, 15729), (1491, 11235), (1605, 10437), (2205, 7597), (2247, 7455), (2485, 6741), (3195, 5243), (3479, 4815), (3745, 4473)]