16620495

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1153}}^1$

素因数の和:1223

約数の個数: 24

約数和(自身を含む): 27502128

約数和(自身を除く): 10881633

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 961, 1153, 2883, 3459, 4805, 5765, 14415, 17295, 35743, 107229, 178715, 536145, 1108033, 3324099, 5540165, 16620495]

約数ペア:

[(1, 16620495), (3, 5540165), (5, 3324099), (15, 1108033), (31, 536145), (93, 178715), (155, 107229), (465, 35743), (961, 17295), (1153, 14415), (2883, 5765), (3459, 4805)]