30708639

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{9721}}^1$

素因数の和:9749

約数の個数: 24

約数和(自身を含む): 49543312

約数和(自身を除く): 18834673

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 9721, 29163, 87489, 126373, 262467, 379119, 787401, 1137357, 2362203, 3412071, 10236213, 30708639]

約数ペア:

[(1, 30708639), (3, 10236213), (9, 3412071), (13, 2362203), (27, 1137357), (39, 787401), (81, 379119), (117, 262467), (243, 126373), (351, 87489), (1053, 29163), (3159, 9721)]