18065385

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30881}}^1$

素因数の和:30905

約数の個数: 24

約数和(自身を含む): 33723144

約数和(自身を除く): 15657759

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 30881, 92643, 154405, 277929, 401453, 463215, 1204359, 1389645, 2007265, 3613077, 6021795, 18065385]

約数ペア:

[(1, 18065385), (3, 6021795), (5, 3613077), (9, 2007265), (13, 1389645), (15, 1204359), (39, 463215), (45, 401453), (65, 277929), (117, 154405), (195, 92643), (585, 30881)]