207971295

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1231}}^1\times {\mathrm{1609}}^1$

素因数の和:2855

約数の個数: 32

約数和(自身を含む): 380835840

約数和(自身を除く): 172864545

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1231, 1609, 3693, 4827, 6155, 8045, 8617, 11263, 18465, 24135, 25851, 33789, 43085, 56315, 129255, 168945, 1980679, 5942037, 9903395, 13864753, 29710185, 41594259, 69323765, 207971295]

約数ペア:

[(1, 207971295), (3, 69323765), (5, 41594259), (7, 29710185), (15, 13864753), (21, 9903395), (35, 5942037), (105, 1980679), (1231, 168945), (1609, 129255), (3693, 56315), (4827, 43085), (6155, 33789), (8045, 25851), (8617, 24135), (11263, 18465)]