815031

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{761}}^1$

素因数の和:791

約数の個数: 24

約数和(自身を含む): 1426464

約数和(自身を除く): 611433

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 761, 1071, 2283, 5327, 6849, 12937, 15981, 38811, 47943, 90559, 116433, 271677, 815031]

約数ペア:

[(1, 815031), (3, 271677), (7, 116433), (9, 90559), (17, 47943), (21, 38811), (51, 15981), (63, 12937), (119, 6849), (153, 5327), (357, 2283), (761, 1071)]