199044909

素因数分解:

$3^2\times 7^2\times {\mathrm{523}}^1\times {\mathrm{863}}^1$

素因数の和:1406

約数の個数: 36

約数和(自身を含む): 335477376

約数和(自身を除く): 136432467

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 523, 863, 1569, 2589, 3661, 4707, 6041, 7767, 10983, 18123, 25627, 32949, 42287, 54369, 76881, 126861, 230643, 380583, 451349, 1354047, 3159443, 4062141, 9478329, 22116101, 28434987, 66348303, 199044909]

約数ペア:

[(1, 199044909), (3, 66348303), (7, 28434987), (9, 22116101), (21, 9478329), (49, 4062141), (63, 3159443), (147, 1354047), (441, 451349), (523, 380583), (863, 230643), (1569, 126861), (2589, 76881), (3661, 54369), (4707, 42287), (6041, 32949), (7767, 25627), (10983, 18123)]