30921303

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{11071}}^1$

素因数の和:11107

約数の個数: 24

約数和(自身を含む): 50488320

約数和(自身を除く): 19567017

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 11071, 33213, 77497, 210349, 232491, 542479, 631047, 1472443, 1627437, 4417329, 10307101, 30921303]

約数ペア:

[(1, 30921303), (3, 10307101), (7, 4417329), (19, 1627437), (21, 1472443), (49, 631047), (57, 542479), (133, 232491), (147, 210349), (399, 77497), (931, 33213), (2793, 11071)]