620140005

素因数分解:

$3^2\times 5^1\times {\mathrm{2383}}^1\times {\mathrm{5783}}^1$

素因数の和:8177

約数の個数: 24

約数和(自身を含む): 1075546368

約数和(自身を除く): 455406363

約数列:

[1, 3, 5, 9, 15, 45, 2383, 5783, 7149, 11915, 17349, 21447, 28915, 35745, 52047, 86745, 107235, 260235, 13780889, 41342667, 68904445, 124028001, 206713335, 620140005]

約数ペア:

[(1, 620140005), (3, 206713335), (5, 124028001), (9, 68904445), (15, 41342667), (45, 13780889), (2383, 260235), (5783, 107235), (7149, 86745), (11915, 52047), (17349, 35745), (21447, 28915)]