2740257

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:270

約数の個数: 32

約数和(自身を含む): 4511360

約数和(自身を除く): 1771103

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 211, 333, 351, 481, 633, 999, 1443, 1899, 2743, 4329, 5697, 7807, 8229, 12987, 23421, 24687, 70263, 74061, 101491, 210789, 304473, 913419, 2740257]

約数ペア:

[(1, 2740257), (3, 913419), (9, 304473), (13, 210789), (27, 101491), (37, 74061), (39, 70263), (111, 24687), (117, 23421), (211, 12987), (333, 8229), (351, 7807), (481, 5697), (633, 4329), (999, 2743), (1443, 1899)]