16218891

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2069}}^1$

素因数の和:2155

約数の個数: 24

約数和(自身を含む): 25618320

約数和(自身を除く): 9399429

約数列:

[1, 3, 9, 13, 39, 67, 117, 201, 603, 871, 2069, 2613, 6207, 7839, 18621, 26897, 80691, 138623, 242073, 415869, 1247607, 1802099, 5406297, 16218891]

約数ペア:

[(1, 16218891), (3, 5406297), (9, 1802099), (13, 1247607), (39, 415869), (67, 242073), (117, 138623), (201, 80691), (603, 26897), (871, 18621), (2069, 7839), (2613, 6207)]