72180615

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2663}}^1$

素因数の和:2823

約数の個数: 32

約数和(自身を含む): 125314560

約数和(自身を除く): 53133945

約数列:

[1, 3, 5, 13, 15, 39, 65, 139, 195, 417, 695, 1807, 2085, 2663, 5421, 7989, 9035, 13315, 27105, 34619, 39945, 103857, 173095, 370157, 519285, 1110471, 1850785, 4812041, 5552355, 14436123, 24060205, 72180615]

約数ペア:

[(1, 72180615), (3, 24060205), (5, 14436123), (13, 5552355), (15, 4812041), (39, 1850785), (65, 1110471), (139, 519285), (195, 370157), (417, 173095), (695, 103857), (1807, 39945), (2085, 34619), (2663, 27105), (5421, 13315), (7989, 9035)]