30931397

素因数分解:

$7^3\times {\mathrm{31}}^1\times {\mathrm{2909}}^1$

素因数の和:2961

約数の個数: 16

約数和(自身を含む): 37248000

約数和(自身を除く): 6316603

約数列:

[1, 7, 31, 49, 217, 343, 1519, 2909, 10633, 20363, 90179, 142541, 631253, 997787, 4418771, 30931397]

約数ペア:

[(1, 30931397), (7, 4418771), (31, 997787), (49, 631253), (217, 142541), (343, 90179), (1519, 20363), (2909, 10633)]