2820279

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 4861440

約数和(自身を除く): 2041161

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 203, 231, 319, 421, 609, 957, 1263, 2233, 2947, 4631, 6699, 8841, 12209, 13893, 32417, 36627, 85463, 97251, 134299, 256389, 402897, 940093, 2820279]

約数ペア:

[(1, 2820279), (3, 940093), (7, 402897), (11, 256389), (21, 134299), (29, 97251), (33, 85463), (77, 36627), (87, 32417), (203, 13893), (231, 12209), (319, 8841), (421, 6699), (609, 4631), (957, 2947), (1263, 2233)]