31819671

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{283}}^1$

素因数の和:364

約数の個数: 36

約数和(自身を含む): 51326184

約数和(自身を除く): 19506513

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 283, 403, 849, 961, 1209, 2547, 2883, 3627, 3679, 8649, 8773, 11037, 12493, 26319, 33111, 37479, 78957, 112437, 114049, 271963, 342147, 815889, 1026441, 2447667, 3535519, 10606557, 31819671]

約数ペア:

[(1, 31819671), (3, 10606557), (9, 3535519), (13, 2447667), (31, 1026441), (39, 815889), (93, 342147), (117, 271963), (279, 114049), (283, 112437), (403, 78957), (849, 37479), (961, 33111), (1209, 26319), (2547, 12493), (2883, 11037), (3627, 8773), (3679, 8649)]