30723

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:47

約数の個数: 24

約数和(自身を含む): 54720

約数和(自身を除く): 23997

約数列:

[1, 3, 7, 11, 19, 21, 33, 49, 57, 77, 133, 147, 209, 231, 399, 539, 627, 931, 1463, 1617, 2793, 4389, 10241, 30723]

約数ペア:

[(1, 30723), (3, 10241), (7, 4389), (11, 2793), (19, 1617), (21, 1463), (33, 931), (49, 627), (57, 539), (77, 399), (133, 231), (147, 209)]