30971421

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2729}}^1$

素因数の和:2845

約数の個数: 24

約数和(自身を含む): 48692280

約数和(自身を除く): 17720859

約数列:

[1, 3, 9, 13, 39, 97, 117, 291, 873, 1261, 2729, 3783, 8187, 11349, 24561, 35477, 106431, 264713, 319293, 794139, 2382417, 3441269, 10323807, 30971421]

約数ペア:

[(1, 30971421), (3, 10323807), (9, 3441269), (13, 2382417), (39, 794139), (97, 319293), (117, 264713), (291, 106431), (873, 35477), (1261, 24561), (2729, 11349), (3783, 8187)]