28010703

素因数分解:

$3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{2141}}^1$

素因数の和:2247

約数の個数: 24

約数和(自身を含む): 43953840

約数和(自身を除く): 15943137

約数列:

[1, 3, 7, 21, 49, 89, 147, 267, 623, 1869, 2141, 4361, 6423, 13083, 14987, 44961, 104909, 190549, 314727, 571647, 1333843, 4001529, 9336901, 28010703]

約数ペア:

[(1, 28010703), (3, 9336901), (7, 4001529), (21, 1333843), (49, 571647), (89, 314727), (147, 190549), (267, 104909), (623, 44961), (1869, 14987), (2141, 13083), (4361, 6423)]