7945791

素因数分解:

$3^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{283}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 12432384

約数和(自身を除く): 4486593

約数列:

[1, 3, 7, 21, 49, 147, 191, 283, 573, 849, 1337, 1981, 4011, 5943, 9359, 13867, 28077, 41601, 54053, 162159, 378371, 1135113, 2648597, 7945791]

約数ペア:

[(1, 7945791), (3, 2648597), (7, 1135113), (21, 378371), (49, 162159), (147, 54053), (191, 41601), (283, 28077), (573, 13867), (849, 9359), (1337, 5943), (1981, 4011)]