16647561

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{11489}}^1$

素因数の和:11525

約数の個数: 24

約数和(自身を含む): 28679040

約数和(自身を除く): 12031479

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 11489, 34467, 80423, 103401, 241269, 264247, 723807, 792741, 1849729, 2378223, 5549187, 16647561]

約数ペア:

[(1, 16647561), (3, 5549187), (7, 2378223), (9, 1849729), (21, 792741), (23, 723807), (63, 264247), (69, 241269), (161, 103401), (207, 80423), (483, 34467), (1449, 11489)]