988281

素因数分解:

$3^5\times 7^2\times {\mathrm{83}}^1$

素因数の和:112

約数の個数: 36

約数和(自身を含む): 1742832

約数和(自身を除く): 754551

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 83, 147, 189, 243, 249, 441, 567, 581, 747, 1323, 1701, 1743, 2241, 3969, 4067, 5229, 6723, 11907, 12201, 15687, 20169, 36603, 47061, 109809, 141183, 329427, 988281]

約数ペア:

[(1, 988281), (3, 329427), (7, 141183), (9, 109809), (21, 47061), (27, 36603), (49, 20169), (63, 15687), (81, 12201), (83, 11907), (147, 6723), (189, 5229), (243, 4067), (249, 3969), (441, 2241), (567, 1743), (581, 1701), (747, 1323)]