278045187

素因数分解:

$3^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{48857}}^1$

素因数の和:49138

約数の個数: 16

約数和(自身を含む): 425260032

約数和(自身を除く): 147214845

約数列:

[1, 3, 7, 21, 271, 813, 1897, 5691, 48857, 146571, 341999, 1025997, 13240247, 39720741, 92681729, 278045187]

約数ペア:

[(1, 278045187), (3, 92681729), (7, 39720741), (21, 13240247), (271, 1025997), (813, 341999), (1897, 146571), (5691, 48857)]