72280515

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{2069}}^1$

素因数の和:2231

約数の個数: 32

約数和(自身を含む): 123405120

約数和(自身を除く): 51124605

約数列:

[1, 3, 5, 15, 17, 51, 85, 137, 255, 411, 685, 2055, 2069, 2329, 6207, 6987, 10345, 11645, 31035, 34935, 35173, 105519, 175865, 283453, 527595, 850359, 1417265, 4251795, 4818701, 14456103, 24093505, 72280515]

約数ペア:

[(1, 72280515), (3, 24093505), (5, 14456103), (15, 4818701), (17, 4251795), (51, 1417265), (85, 850359), (137, 527595), (255, 283453), (411, 175865), (685, 105519), (2055, 35173), (2069, 34935), (2329, 31035), (6207, 11645), (6987, 10345)]