820827

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:160

約数の個数: 32

約数和(自身を含む): 1436160

約数和(自身を除く): 615333

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 101, 129, 189, 301, 303, 387, 707, 903, 909, 1161, 2121, 2709, 2727, 4343, 6363, 8127, 13029, 19089, 30401, 39087, 91203, 117261, 273609, 820827]

約数ペア:

[(1, 820827), (3, 273609), (7, 117261), (9, 91203), (21, 39087), (27, 30401), (43, 19089), (63, 13029), (101, 8127), (129, 6363), (189, 4343), (301, 2727), (303, 2709), (387, 2121), (707, 1161), (903, 909)]