131805105

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{1129}}^1$

素因数の和:1361

約数の個数: 32

約数和(自身を含む): 217176960

約数和(自身を除く): 85371855

約数列:

[1, 3, 5, 15, 43, 129, 181, 215, 543, 645, 905, 1129, 2715, 3387, 5645, 7783, 16935, 23349, 38915, 48547, 116745, 145641, 204349, 242735, 613047, 728205, 1021745, 3065235, 8787007, 26361021, 43935035, 131805105]

約数ペア:

[(1, 131805105), (3, 43935035), (5, 26361021), (15, 8787007), (43, 3065235), (129, 1021745), (181, 728205), (215, 613047), (543, 242735), (645, 204349), (905, 145641), (1129, 116745), (2715, 48547), (3387, 38915), (5645, 23349), (7783, 16935)]