1397804931

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{292489}}^1$

素因数の和:292560

約数の個数: 20

約数和(自身を含む): 2123477400

約数和(自身を除く): 725672469

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4779, 292489, 877467, 2632401, 7897203, 17256851, 23691609, 51770553, 155311659, 465934977, 1397804931]

約数ペア:

[(1, 1397804931), (3, 465934977), (9, 155311659), (27, 51770553), (59, 23691609), (81, 17256851), (177, 7897203), (531, 2632401), (1593, 877467), (4779, 292489)]