78327921

素因数分解:

$3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{5987}}^1$

素因数の和:6093

約数の個数: 24

約数和(自身を含む): 122873760

約数和(自身を除く): 44545839

約数列:

[1, 3, 7, 21, 49, 89, 147, 267, 623, 1869, 4361, 5987, 13083, 17961, 41909, 125727, 293363, 532843, 880089, 1598529, 3729901, 11189703, 26109307, 78327921]

約数ペア:

[(1, 78327921), (3, 26109307), (7, 11189703), (21, 3729901), (49, 1598529), (89, 880089), (147, 532843), (267, 293363), (623, 125727), (1869, 41909), (4361, 17961), (5987, 13083)]