39821769

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20021}}^1$

素因数の和:20057

約数の個数: 24

約数和(自身を含む): 65592072

約数和(自身を除く): 25770303

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 20021, 60063, 180189, 260273, 340357, 780819, 1021071, 2342457, 3063213, 4424641, 13273923, 39821769]

約数ペア:

[(1, 39821769), (3, 13273923), (9, 4424641), (13, 3063213), (17, 2342457), (39, 1021071), (51, 780819), (117, 340357), (153, 260273), (221, 180189), (663, 60063), (1989, 20021)]