28115877

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 41558400

約数和(自身を除く): 13442523

約数列:

[1, 3, 19, 29, 57, 73, 87, 219, 233, 551, 699, 1387, 1653, 2117, 4161, 4427, 6351, 6757, 13281, 17009, 20271, 40223, 51027, 120669, 128383, 323171, 385149, 493261, 969513, 1479783, 9371959, 28115877]

約数ペア:

[(1, 28115877), (3, 9371959), (19, 1479783), (29, 969513), (57, 493261), (73, 385149), (87, 323171), (219, 128383), (233, 120669), (551, 51027), (699, 40223), (1387, 20271), (1653, 17009), (2117, 13281), (4161, 6757), (4427, 6351)]