64721265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{616393}}^1$

素因数の和:616408

約数の個数: 16

約数和(自身を含む): 118347648

約数和(自身を除く): 53626383

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 616393, 1849179, 3081965, 4314751, 9245895, 12944253, 21573755, 64721265]

約数ペア:

[(1, 64721265), (3, 21573755), (5, 12944253), (7, 9245895), (15, 4314751), (21, 3081965), (35, 1849179), (105, 616393)]