28079919

素因数分解:

$3^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1471}}^1$

素因数の和:1588

約数の個数: 32

約数和(自身を含む): 48046080

約数和(自身を除く): 19966161

約数列:

[1, 3, 7, 9, 21, 27, 63, 101, 189, 303, 707, 909, 1471, 2121, 2727, 4413, 6363, 10297, 13239, 19089, 30891, 39717, 92673, 148571, 278019, 445713, 1039997, 1337139, 3119991, 4011417, 9359973, 28079919]

約数ペア:

[(1, 28079919), (3, 9359973), (7, 4011417), (9, 3119991), (21, 1337139), (27, 1039997), (63, 445713), (101, 278019), (189, 148571), (303, 92673), (707, 39717), (909, 30891), (1471, 19089), (2121, 13239), (2727, 10297), (4413, 6363)]