9785139

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 16310784

約数和(自身を除く): 6525645

約数列:

[1, 3, 7, 13, 21, 39, 73, 91, 219, 273, 491, 511, 949, 1473, 1533, 2847, 3437, 6383, 6643, 10311, 19149, 19929, 35843, 44681, 107529, 134043, 250901, 465959, 752703, 1397877, 3261713, 9785139]

約数ペア:

[(1, 9785139), (3, 3261713), (7, 1397877), (13, 752703), (21, 465959), (39, 250901), (73, 134043), (91, 107529), (219, 44681), (273, 35843), (491, 19929), (511, 19149), (949, 10311), (1473, 6643), (1533, 6383), (2847, 3437)]