247188483

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{1627}}^1$

素因数の和:1984

約数の個数: 32

約数和(自身を含む): 389157120

約数和(自身を除く): 141968637

約数列:

[1, 3, 9, 17, 27, 51, 153, 331, 459, 993, 1627, 2979, 4881, 5627, 8937, 14643, 16881, 27659, 43929, 50643, 82977, 151929, 248931, 538537, 746793, 1615611, 4846833, 9155129, 14540499, 27465387, 82396161, 247188483]

約数ペア:

[(1, 247188483), (3, 82396161), (9, 27465387), (17, 14540499), (27, 9155129), (51, 4846833), (153, 1615611), (331, 746793), (459, 538537), (993, 248931), (1627, 151929), (2979, 82977), (4881, 50643), (5627, 43929), (8937, 27659), (14643, 16881)]