87049179

素因数分解:

$3^2\times 7^1\times {\mathrm{971}}^1\times {\mathrm{1423}}^1$

素因数の和:2407

約数の個数: 24

約数和(自身を含む): 143949312

約数和(自身を除く): 56900133

約数列:

[1, 3, 7, 9, 21, 63, 971, 1423, 2913, 4269, 6797, 8739, 9961, 12807, 20391, 29883, 61173, 89649, 1381733, 4145199, 9672131, 12435597, 29016393, 87049179]

約数ペア:

[(1, 87049179), (3, 29016393), (7, 12435597), (9, 9672131), (21, 4145199), (63, 1381733), (971, 89649), (1423, 61173), (2913, 29883), (4269, 20391), (6797, 12807), (8739, 9961)]