18011331

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{599}}^1$

素因数の和:875

約数の個数: 24

約数和(自身を含む): 28173600

約数和(自身を除く): 10162269

約数列:

[1, 3, 9, 13, 39, 117, 257, 599, 771, 1797, 2313, 3341, 5391, 7787, 10023, 23361, 30069, 70083, 153943, 461829, 1385487, 2001259, 6003777, 18011331]

約数ペア:

[(1, 18011331), (3, 6003777), (9, 2001259), (13, 1385487), (39, 461829), (117, 153943), (257, 70083), (599, 30069), (771, 23361), (1797, 10023), (2313, 7787), (3341, 5391)]