669802021

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{9743}}^1$

素因数の和:9841

約数の個数: 24

約数和(自身を含む): 826447104

約数和(自身を除く): 156645083

約数列:

[1, 7, 23, 49, 61, 161, 427, 1127, 1403, 2989, 9743, 9821, 68201, 68747, 224089, 477407, 594323, 1568623, 4160261, 10980361, 13669429, 29121827, 95686003, 669802021]

約数ペア:

[(1, 669802021), (7, 95686003), (23, 29121827), (49, 13669429), (61, 10980361), (161, 4160261), (427, 1568623), (1127, 594323), (1403, 477407), (2989, 224089), (9743, 68747), (9821, 68201)]