55220991

素因数分解:

$3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{6367}}^1$

素因数の和:6443

約数の個数: 24

約数和(自身を含む): 87114240

約数和(自身を除く): 31893249

約数列:

[1, 3, 7, 21, 49, 59, 147, 177, 413, 1239, 2891, 6367, 8673, 19101, 44569, 133707, 311983, 375653, 935949, 1126959, 2629571, 7888713, 18406997, 55220991]

約数ペア:

[(1, 55220991), (3, 18406997), (7, 7888713), (21, 2629571), (49, 1126959), (59, 935949), (147, 375653), (177, 311983), (413, 133707), (1239, 44569), (2891, 19101), (6367, 8673)]