28941315

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{769}}^1$

素因数の和:983

約数の個数: 32

約数和(自身を含む): 50191680

約数和(自身を除く): 21250365

約数列:

[1, 3, 5, 13, 15, 39, 65, 193, 195, 579, 769, 965, 2307, 2509, 2895, 3845, 7527, 9997, 11535, 12545, 29991, 37635, 49985, 148417, 149955, 445251, 742085, 1929421, 2226255, 5788263, 9647105, 28941315]

約数ペア:

[(1, 28941315), (3, 9647105), (5, 5788263), (13, 2226255), (15, 1929421), (39, 742085), (65, 445251), (193, 149955), (195, 148417), (579, 49985), (769, 37635), (965, 29991), (2307, 12545), (2509, 11535), (2895, 9997), (3845, 7527)]