220121727

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{2687}}^1$

素因数の和:2827

約数の個数: 32

約数和(自身を含む): 346816512

約数和(自身を除く): 126694785

約数列:

[1, 3, 7, 21, 47, 83, 141, 249, 329, 581, 987, 1743, 2687, 3901, 8061, 11703, 18809, 27307, 56427, 81921, 126289, 223021, 378867, 669063, 884023, 1561147, 2652069, 4683441, 10481987, 31445961, 73373909, 220121727]

約数ペア:

[(1, 220121727), (3, 73373909), (7, 31445961), (21, 10481987), (47, 4683441), (83, 2652069), (141, 1561147), (249, 884023), (329, 669063), (581, 378867), (987, 223021), (1743, 126289), (2687, 81921), (3901, 56427), (8061, 27307), (11703, 18809)]