215537145

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1\times {\mathrm{547}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 350106240

約数和(自身を除く): 134569095

約数列:

[1, 3, 5, 15, 109, 241, 327, 545, 547, 723, 1205, 1635, 1641, 2735, 3615, 8205, 26269, 59623, 78807, 131345, 131827, 178869, 298115, 394035, 395481, 659135, 894345, 1977405, 14369143, 43107429, 71845715, 215537145]

約数ペア:

[(1, 215537145), (3, 71845715), (5, 43107429), (15, 14369143), (109, 1977405), (241, 894345), (327, 659135), (545, 395481), (547, 394035), (723, 298115), (1205, 178869), (1635, 131827), (1641, 131345), (2735, 78807), (3615, 59623), (8205, 26269)]