27960309

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 46230912

約数和(自身を除く): 18270603

約数列:

[1, 3, 9, 13, 27, 39, 53, 81, 117, 159, 167, 243, 351, 477, 501, 689, 1053, 1431, 1503, 2067, 2171, 3159, 4293, 4509, 6201, 6513, 8851, 12879, 13527, 18603, 19539, 26553, 40581, 55809, 58617, 79659, 115063, 167427, 175851, 238977, 345189, 527553, 716931, 1035567, 2150793, 3106701, 9320103, 27960309]

約数ペア:

[(1, 27960309), (3, 9320103), (9, 3106701), (13, 2150793), (27, 1035567), (39, 716931), (53, 527553), (81, 345189), (117, 238977), (159, 175851), (167, 167427), (243, 115063), (351, 79659), (477, 58617), (501, 55809), (689, 40581), (1053, 26553), (1431, 19539), (1503, 18603), (2067, 13527), (2171, 12879), (3159, 8851), (4293, 6513), (4509, 6201)]