81910029

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{503}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 120766464

約数和(自身を除く): 38856435

約数列:

[1, 3, 17, 31, 51, 93, 103, 309, 503, 527, 1509, 1581, 1751, 3193, 5253, 8551, 9579, 15593, 25653, 46779, 51809, 54281, 155427, 162843, 265081, 795243, 880753, 1606079, 2642259, 4818237, 27303343, 81910029]

約数ペア:

[(1, 81910029), (3, 27303343), (17, 4818237), (31, 2642259), (51, 1606079), (93, 880753), (103, 795243), (309, 265081), (503, 162843), (527, 155427), (1509, 54281), (1581, 51809), (1751, 46779), (3193, 25653), (5253, 15593), (8551, 9579)]