17872185

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:777

約数の個数: 32

約数和(自身を含む): 30602880

約数和(自身を除く): 12730695

約数列:

[1, 3, 5, 15, 17, 51, 85, 109, 255, 327, 545, 643, 1635, 1853, 1929, 3215, 5559, 9265, 9645, 10931, 27795, 32793, 54655, 70087, 163965, 210261, 350435, 1051305, 1191479, 3574437, 5957395, 17872185]

約数ペア:

[(1, 17872185), (3, 5957395), (5, 3574437), (15, 1191479), (17, 1051305), (51, 350435), (85, 210261), (109, 163965), (255, 70087), (327, 54655), (545, 32793), (643, 27795), (1635, 10931), (1853, 9645), (1929, 9265), (3215, 5559)]