813308321

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{2777}}^1$

素因数の和:2973

約数の個数: 24

約数和(自身を含む): 975411360

約数和(自身を除く): 162103039

約数列:

[1, 7, 43, 49, 139, 301, 973, 2107, 2777, 5977, 6811, 19439, 41839, 119411, 136073, 292873, 386003, 835877, 2702021, 5851139, 16598129, 18914147, 116186903, 813308321]

約数ペア:

[(1, 813308321), (7, 116186903), (43, 18914147), (49, 16598129), (139, 5851139), (301, 2702021), (973, 835877), (2107, 386003), (2777, 292873), (5977, 136073), (6811, 119411), (19439, 41839)]