17978883

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1277}}^1$

素因数の和:1331

約数の個数: 24

約数和(自身を含む): 27267408

約数和(自身を除く): 9288525

約数列:

[1, 3, 13, 19, 39, 57, 247, 361, 741, 1083, 1277, 3831, 4693, 14079, 16601, 24263, 49803, 72789, 315419, 460997, 946257, 1382991, 5992961, 17978883]

約数ペア:

[(1, 17978883), (3, 5992961), (13, 1382991), (19, 946257), (39, 460997), (57, 315419), (247, 72789), (361, 49803), (741, 24263), (1083, 16601), (1277, 14079), (3831, 4693)]