2972991

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2113}}^1$

素因数の和:2190

約数の個数: 16

約数和(自身を含む): 4600064

約数和(自身を除く): 1627073

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 2113, 6339, 14791, 44373, 141571, 424713, 990997, 2972991]

約数ペア:

[(1, 2972991), (3, 990997), (7, 424713), (21, 141571), (67, 44373), (201, 14791), (469, 6339), (1407, 2113)]