2021973987

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{503}}^1\times {\mathrm{673}}^1$

素因数の和:1371

約数の個数: 32

約数和(自身を含む): 2967584256

約数和(自身を除く): 945610269

約数列:

[1, 3, 11, 33, 181, 503, 543, 673, 1509, 1991, 2019, 5533, 5973, 7403, 16599, 22209, 91043, 121813, 273129, 338519, 365439, 1001473, 1015557, 1339943, 3004419, 3723709, 4019829, 11171127, 61271939, 183815817, 673991329, 2021973987]

約数ペア:

[(1, 2021973987), (3, 673991329), (11, 183815817), (33, 61271939), (181, 11171127), (503, 4019829), (543, 3723709), (673, 3004419), (1509, 1339943), (1991, 1015557), (2019, 1001473), (5533, 365439), (5973, 338519), (7403, 273129), (16599, 121813), (22209, 91043)]