16978305

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1453}}^1$

素因数の和:1521

約数の個数: 32

約数和(自身を含む): 29312640

約数和(自身を除く): 12334335

約数列:

[1, 3, 5, 15, 19, 41, 57, 95, 123, 205, 285, 615, 779, 1453, 2337, 3895, 4359, 7265, 11685, 21795, 27607, 59573, 82821, 138035, 178719, 297865, 414105, 893595, 1131887, 3395661, 5659435, 16978305]

約数ペア:

[(1, 16978305), (3, 5659435), (5, 3395661), (15, 1131887), (19, 893595), (41, 414105), (57, 297865), (95, 178719), (123, 138035), (205, 82821), (285, 59573), (615, 27607), (779, 21795), (1453, 11685), (2337, 7265), (3895, 4359)]