1209870819

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{239}}^1\times {\mathrm{5569}}^1$

素因数の和:5915

約数の個数: 24

約数和(自身を含む): 1772596800

約数和(自身を除く): 562725981

約数列:

[1, 3, 9, 101, 239, 303, 717, 909, 2151, 5569, 16707, 24139, 50121, 72417, 217251, 562469, 1330991, 1687407, 3992973, 5062221, 11978919, 134430091, 403290273, 1209870819]

約数ペア:

[(1, 1209870819), (3, 403290273), (9, 134430091), (101, 11978919), (239, 5062221), (303, 3992973), (717, 1687407), (909, 1330991), (2151, 562469), (5569, 217251), (16707, 72417), (24139, 50121)]