19965165

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{121001}}^1$

素因数の和:121020

約数の個数: 16

約数和(自身を含む): 34848576

約数和(自身を除く): 14883411

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 121001, 363003, 605005, 1331011, 1815015, 3993033, 6655055, 19965165]

約数ペア:

[(1, 19965165), (3, 6655055), (5, 3993033), (11, 1815015), (15, 1331011), (33, 605005), (55, 363003), (165, 121001)]