408048147

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{49121}}^1$

素因数の和:49211

約数の個数: 24

約数和(自身を含む): 643694688

約数和(自身を除く): 235646541

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2769, 8307, 49121, 147363, 442089, 638573, 1915719, 3487591, 5747157, 10462773, 31388319, 45338683, 136016049, 408048147]

約数ペア:

[(1, 408048147), (3, 136016049), (9, 45338683), (13, 31388319), (39, 10462773), (71, 5747157), (117, 3487591), (213, 1915719), (639, 638573), (923, 442089), (2769, 147363), (8307, 49121)]