4071921

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2731}}^1$

素因数の和:2812

約数の個数: 16

約数和(自身を含む): 6294528

約数和(自身を除く): 2222607

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 2731, 8193, 19117, 57351, 193901, 581703, 1357307, 4071921]

約数ペア:

[(1, 4071921), (3, 1357307), (7, 581703), (21, 193901), (71, 57351), (213, 19117), (497, 8193), (1491, 2731)]