213301305

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{677147}}^1$

素因数の和:677165

約数の個数: 24

約数和(自身を含む): 422540352

約数和(自身を除く): 209239047

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 677147, 2031441, 3385735, 4740029, 6094323, 10157205, 14220087, 23700145, 30471615, 42660261, 71100435, 213301305]

約数ペア:

[(1, 213301305), (3, 71100435), (5, 42660261), (7, 30471615), (9, 23700145), (15, 14220087), (21, 10157205), (35, 6094323), (45, 4740029), (63, 3385735), (105, 2031441), (315, 677147)]