7943409

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 12040704

約数和(自身を除く): 4097295

約数列:

[1, 3, 9, 31, 71, 93, 213, 279, 401, 639, 1203, 2201, 3609, 6603, 12431, 19809, 28471, 37293, 85413, 111879, 256239, 882601, 2647803, 7943409]

約数ペア:

[(1, 7943409), (3, 2647803), (9, 882601), (31, 256239), (71, 111879), (93, 85413), (213, 37293), (279, 28471), (401, 19809), (639, 12431), (1203, 6603), (2201, 3609)]