78382215

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{20021}}^1$

素因数の和:20064

約数の個数: 32

約数和(自身を含む): 144158400

約数和(自身を除く): 65776185

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 20021, 60063, 100105, 180189, 300315, 540567, 580609, 900945, 1741827, 2702835, 2903045, 5225481, 8709135, 15676443, 26127405, 78382215]

約数ペア:

[(1, 78382215), (3, 26127405), (5, 15676443), (9, 8709135), (15, 5225481), (27, 2903045), (29, 2702835), (45, 1741827), (87, 900945), (135, 580609), (145, 540567), (261, 300315), (435, 180189), (783, 100105), (1305, 60063), (3915, 20021)]