2143557

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:250

約数の個数: 32

約数和(自身を含む): 3548160

約数和(自身を除く): 1404603

約数列:

[1, 3, 9, 13, 27, 31, 39, 93, 117, 197, 279, 351, 403, 591, 837, 1209, 1773, 2561, 3627, 5319, 6107, 7683, 10881, 18321, 23049, 54963, 69147, 79391, 164889, 238173, 714519, 2143557]

約数ペア:

[(1, 2143557), (3, 714519), (9, 238173), (13, 164889), (27, 79391), (31, 69147), (39, 54963), (93, 23049), (117, 18321), (197, 10881), (279, 7683), (351, 6107), (403, 5319), (591, 3627), (837, 2561), (1209, 1773)]