17980372221

素因数分解:

$3^1\times 7^1\times {\mathrm{1549}}^1\times {\mathrm{552749}}^1$

素因数の和:554308

約数の個数: 16

約数和(自身を含む): 27416400000

約数和(自身を除く): 9436027779

約数列:

[1, 3, 7, 21, 1549, 4647, 10843, 32529, 552749, 1658247, 3869243, 11607729, 856208201, 2568624603, 5993457407, 17980372221]

約数ペア:

[(1, 17980372221), (3, 5993457407), (7, 2568624603), (21, 856208201), (1549, 11607729), (4647, 3869243), (10843, 1658247), (32529, 552749)]