20147642109

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3438751}}^1$

素因数の和:3438798

約数の個数: 32

約数和(自身を含む): 35212820480

約数和(自身を除く): 15065178371

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 5859, 3438751, 10316253, 24071257, 30948759, 72213771, 92846277, 106601281, 216641313, 319803843, 649923939, 746208967, 959411529, 2238626901, 2878234587, 6715880703, 20147642109]

約数ペア:

[(1, 20147642109), (3, 6715880703), (7, 2878234587), (9, 2238626901), (21, 959411529), (27, 746208967), (31, 649923939), (63, 319803843), (93, 216641313), (189, 106601281), (217, 92846277), (279, 72213771), (651, 30948759), (837, 24071257), (1953, 10316253), (5859, 3438751)]