290503143

素因数分解:

$3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{13931}}^1$

素因数の和:14275

約数の個数: 24

約数和(自身を含む): 481044096

約数和(自身を除く): 190540953

約数列:

[1, 3, 7, 9, 21, 63, 331, 993, 2317, 2979, 6951, 13931, 20853, 41793, 97517, 125379, 292551, 877653, 4611161, 13833483, 32278127, 41500449, 96834381, 290503143]

約数ペア:

[(1, 290503143), (3, 96834381), (7, 41500449), (9, 32278127), (21, 13833483), (63, 4611161), (331, 877653), (993, 292551), (2317, 125379), (2979, 97517), (6951, 41793), (13931, 20853)]