215808999

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{5869}}^1$

素因数の和:5999

約数の個数: 32

約数和(自身を含む): 351636480

約数和(自身を除く): 135827481

約数列:

[1, 3, 7, 17, 21, 51, 103, 119, 309, 357, 721, 1751, 2163, 5253, 5869, 12257, 17607, 36771, 41083, 99773, 123249, 299319, 604507, 698411, 1813521, 2095233, 4231549, 10276619, 12694647, 30829857, 71936333, 215808999]

約数ペア:

[(1, 215808999), (3, 71936333), (7, 30829857), (17, 12694647), (21, 10276619), (51, 4231549), (103, 2095233), (119, 1813521), (309, 698411), (357, 604507), (721, 299319), (1751, 123249), (2163, 99773), (5253, 41083), (5869, 36771), (12257, 17607)]