31994109

素因数分解:

$3^5\times 7^2\times {\mathrm{2687}}^1$

素因数の和:2716

約数の個数: 36

約数和(自身を含む): 55770624

約数和(自身を除く): 23776515

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 1323, 1701, 2687, 3969, 8061, 11907, 18809, 24183, 56427, 72549, 131663, 169281, 217647, 394989, 507843, 652941, 1184967, 1523529, 3554901, 4570587, 10664703, 31994109]

約数ペア:

[(1, 31994109), (3, 10664703), (7, 4570587), (9, 3554901), (21, 1523529), (27, 1184967), (49, 652941), (63, 507843), (81, 394989), (147, 217647), (189, 169281), (243, 131663), (441, 72549), (567, 56427), (1323, 24183), (1701, 18809), (2687, 11907), (3969, 8061)]