28752015

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2399}}^1$

素因数の和:2471

約数の個数: 32

約数和(自身を含む): 49766400

約数和(自身を除く): 21014385

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 255, 705, 799, 2397, 2399, 3995, 7197, 11985, 11995, 35985, 40783, 112753, 122349, 203915, 338259, 563765, 611745, 1691295, 1916801, 5750403, 9584005, 28752015]

約数ペア:

[(1, 28752015), (3, 9584005), (5, 5750403), (15, 1916801), (17, 1691295), (47, 611745), (51, 563765), (85, 338259), (141, 203915), (235, 122349), (255, 112753), (705, 40783), (799, 35985), (2397, 11995), (2399, 11985), (3995, 7197)]