18211335

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4201}}^1$

素因数の和:4243

約数の個数: 24

約数和(自身を含む): 30960336

約数和(自身を除く): 12749001

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4201, 4335, 12603, 21005, 63015, 71417, 214251, 357085, 1071255, 1214089, 3642267, 6070445, 18211335]

約数ペア:

[(1, 18211335), (3, 6070445), (5, 3642267), (15, 1214089), (17, 1071255), (51, 357085), (85, 214251), (255, 71417), (289, 63015), (867, 21005), (1445, 12603), (4201, 4335)]