81291435

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{1721}}^1$

素因数の和:1843

約数の個数: 32

約数和(自身を含む): 134894592

約数和(自身を除く): 53603157

約数列:

[1, 3, 5, 15, 47, 67, 141, 201, 235, 335, 705, 1005, 1721, 3149, 5163, 8605, 9447, 15745, 25815, 47235, 80887, 115307, 242661, 345921, 404435, 576535, 1213305, 1729605, 5419429, 16258287, 27097145, 81291435]

約数ペア:

[(1, 81291435), (3, 27097145), (5, 16258287), (15, 5419429), (47, 1729605), (67, 1213305), (141, 576535), (201, 404435), (235, 345921), (335, 242661), (705, 115307), (1005, 80887), (1721, 47235), (3149, 25815), (5163, 15745), (8605, 9447)]