81050235

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 154635264

約数和(自身を除く): 73585029

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 67, 105, 123, 201, 205, 281, 287, 335, 469, 615, 843, 861, 1005, 1405, 1407, 1435, 1967, 2345, 2747, 4215, 4305, 5901, 7035, 8241, 9835, 11521, 13735, 18827, 19229, 29505, 34563, 41205, 56481, 57605, 57687, 80647, 94135, 96145, 131789, 172815, 241941, 282405, 288435, 395367, 403235, 658945, 771907, 1209705, 1976835, 2315721, 3859535, 5403349, 11578605, 16210047, 27016745, 81050235]

約数ペア:

[(1, 81050235), (3, 27016745), (5, 16210047), (7, 11578605), (15, 5403349), (21, 3859535), (35, 2315721), (41, 1976835), (67, 1209705), (105, 771907), (123, 658945), (201, 403235), (205, 395367), (281, 288435), (287, 282405), (335, 241941), (469, 172815), (615, 131789), (843, 96145), (861, 94135), (1005, 80647), (1405, 57687), (1407, 57605), (1435, 56481), (1967, 41205), (2345, 34563), (2747, 29505), (4215, 19229), (4305, 18827), (5901, 13735), (7035, 11521), (8241, 9835)]