87128793

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{1511}}^1$

素因数の和:1709

約数の個数: 24

約数和(自身を含む): 129729600

約数和(自身を除く): 42600807

約数列:

[1, 3, 9, 43, 129, 149, 387, 447, 1341, 1511, 4533, 6407, 13599, 19221, 57663, 64973, 194919, 225139, 584757, 675417, 2026251, 9680977, 29042931, 87128793]

約数ペア:

[(1, 87128793), (3, 29042931), (9, 9680977), (43, 2026251), (129, 675417), (149, 584757), (387, 225139), (447, 194919), (1341, 64973), (1511, 57663), (4533, 19221), (6407, 13599)]