1680015

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2383}}^1$

素因数の和:2438

約数の個数: 16

約数和(自身を含む): 2746368

約数和(自身を除く): 1066353

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 2383, 7149, 11915, 35745, 112001, 336003, 560005, 1680015]

約数ペア:

[(1, 1680015), (3, 560005), (5, 336003), (15, 112001), (47, 35745), (141, 11915), (235, 7149), (705, 2383)]