2011359

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^2$

素因数の和:171

約数の個数: 24

約数和(自身を含む): 3272320

約数和(自身を除く): 1260961

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 1349, 1491, 4047, 5041, 9443, 15123, 28329, 35287, 95779, 105861, 287337, 670453, 2011359]

約数ペア:

[(1, 2011359), (3, 670453), (7, 287337), (19, 105861), (21, 95779), (57, 35287), (71, 28329), (133, 15123), (213, 9443), (399, 5041), (497, 4047), (1349, 1491)]