2907891

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{457}}^1$

素因数の和:571

約数の個数: 24

約数和(自身を含む): 4858464

約数和(自身を除く): 1950573

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 457, 707, 909, 1371, 2121, 3199, 4113, 6363, 9597, 28791, 46157, 138471, 323099, 415413, 969297, 2907891]

約数ペア:

[(1, 2907891), (3, 969297), (7, 415413), (9, 323099), (21, 138471), (63, 46157), (101, 28791), (303, 9597), (457, 6363), (707, 4113), (909, 3199), (1371, 2121)]