389619279

素因数分解:

$3^2\times 7^1\times {\mathrm{1487}}^1\times {\mathrm{4159}}^1$

素因数の和:5659

約数の個数: 24

約数和(自身を含む): 643768320

約数和(自身を除く): 254149041

約数列:

[1, 3, 7, 9, 21, 63, 1487, 4159, 4461, 10409, 12477, 13383, 29113, 31227, 37431, 87339, 93681, 262017, 6184433, 18553299, 43291031, 55659897, 129873093, 389619279]

約数ペア:

[(1, 389619279), (3, 129873093), (7, 55659897), (9, 43291031), (21, 18553299), (63, 6184433), (1487, 262017), (4159, 93681), (4461, 87339), (10409, 37431), (12477, 31227), (13383, 29113)]