212911503

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{1303}}^1$

素因数の和:1595

約数の個数: 32

約数和(自身を含む): 336494592

約数和(自身を除く): 123583089

約数列:

[1, 3, 7, 21, 31, 93, 217, 251, 651, 753, 1303, 1757, 3909, 5271, 7781, 9121, 23343, 27363, 40393, 54467, 121179, 163401, 282751, 327053, 848253, 981159, 2289371, 6868113, 10138643, 30415929, 70970501, 212911503]

約数ペア:

[(1, 212911503), (3, 70970501), (7, 30415929), (21, 10138643), (31, 6868113), (93, 2289371), (217, 981159), (251, 848253), (651, 327053), (753, 282751), (1303, 163401), (1757, 121179), (3909, 54467), (5271, 40393), (7781, 27363), (9121, 23343)]