18021015

素因数分解:

$3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1019}}^1$

素因数の和:1164

約数の個数: 32

約数和(自身を含む): 32313600

約数和(自身を除く): 14292585

約数列:

[1, 3, 5, 9, 15, 27, 45, 131, 135, 393, 655, 1019, 1179, 1965, 3057, 3537, 5095, 5895, 9171, 15285, 17685, 27513, 45855, 133489, 137565, 400467, 667445, 1201401, 2002335, 3604203, 6007005, 18021015]

約数ペア:

[(1, 18021015), (3, 6007005), (5, 3604203), (9, 2002335), (15, 1201401), (27, 667445), (45, 400467), (131, 137565), (135, 133489), (393, 45855), (655, 27513), (1019, 17685), (1179, 15285), (1965, 9171), (3057, 5895), (3537, 5095)]