28770291

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{911}}^1$

素因数の和:968

約数の個数: 36

約数和(自身を含む): 47305440

約数和(自身を除く): 18535149

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 121, 261, 319, 363, 911, 957, 1089, 2733, 2871, 3509, 8199, 10021, 10527, 26419, 30063, 31581, 79257, 90189, 110231, 237771, 290609, 330693, 871827, 992079, 2615481, 3196699, 9590097, 28770291]

約数ペア:

[(1, 28770291), (3, 9590097), (9, 3196699), (11, 2615481), (29, 992079), (33, 871827), (87, 330693), (99, 290609), (121, 237771), (261, 110231), (319, 90189), (363, 79257), (911, 31581), (957, 30063), (1089, 26419), (2733, 10527), (2871, 10021), (3509, 8199)]