28954149

素因数分解:

$3^1\times 7^2\times {\mathrm{431}}^1\times {\mathrm{457}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 45111168

約数和(自身を除く): 16157019

約数列:

[1, 3, 7, 21, 49, 147, 431, 457, 1293, 1371, 3017, 3199, 9051, 9597, 21119, 22393, 63357, 67179, 196967, 590901, 1378769, 4136307, 9651383, 28954149]

約数ペア:

[(1, 28954149), (3, 9651383), (7, 4136307), (21, 1378769), (49, 590901), (147, 196967), (431, 67179), (457, 63357), (1293, 22393), (1371, 21119), (3017, 9597), (3199, 9051)]