2213811

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:344

約数の個数: 20

約数和(自身を含む): 3347344

約数和(自身を除く): 1133533

約数列:

[1, 3, 9, 27, 81, 151, 181, 453, 543, 1359, 1629, 4077, 4887, 12231, 14661, 27331, 81993, 245979, 737937, 2213811]

約数ペア:

[(1, 2213811), (3, 737937), (9, 245979), (27, 81993), (81, 27331), (151, 14661), (181, 12231), (453, 4887), (543, 4077), (1359, 1629)]