89720415

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{719}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 161740800

約数和(自身を除く): 72020385

約数列:

[1, 3, 5, 9, 15, 45, 47, 59, 141, 177, 235, 295, 423, 531, 705, 719, 885, 2115, 2157, 2655, 2773, 3595, 6471, 8319, 10785, 13865, 24957, 32355, 33793, 41595, 42421, 101379, 124785, 127263, 168965, 212105, 304137, 381789, 506895, 636315, 1520685, 1908945, 1993787, 5981361, 9968935, 17944083, 29906805, 89720415]

約数ペア:

[(1, 89720415), (3, 29906805), (5, 17944083), (9, 9968935), (15, 5981361), (45, 1993787), (47, 1908945), (59, 1520685), (141, 636315), (177, 506895), (235, 381789), (295, 304137), (423, 212105), (531, 168965), (705, 127263), (719, 124785), (885, 101379), (2115, 42421), (2157, 41595), (2655, 33793), (2773, 32355), (3595, 24957), (6471, 13865), (8319, 10785)]