12690705

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^2\times {\mathrm{383}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 20800512

約数和(自身を除く): 8109807

約数列:

[1, 3, 5, 15, 47, 141, 235, 383, 705, 1149, 1915, 2209, 5745, 6627, 11045, 18001, 33135, 54003, 90005, 270015, 846047, 2538141, 4230235, 12690705]

約数ペア:

[(1, 12690705), (3, 4230235), (5, 2538141), (15, 846047), (47, 270015), (141, 90005), (235, 54003), (383, 33135), (705, 18001), (1149, 11045), (1915, 6627), (2209, 5745)]