18327231

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{163}}^1$

素因数の和:244

約数の個数: 36

約数和(自身を含む): 29639064

約数和(自身を除く): 11311833

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 163, 279, 403, 489, 961, 1209, 1467, 2119, 2883, 3627, 5053, 6357, 8649, 12493, 15159, 19071, 37479, 45477, 65689, 112437, 156643, 197067, 469929, 591201, 1409787, 2036359, 6109077, 18327231]

約数ペア:

[(1, 18327231), (3, 6109077), (9, 2036359), (13, 1409787), (31, 591201), (39, 469929), (93, 197067), (117, 156643), (163, 112437), (279, 65689), (403, 45477), (489, 37479), (961, 19071), (1209, 15159), (1467, 12493), (2119, 8649), (2883, 6357), (3627, 5053)]