61431795

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{613}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 113791392

約数和(自身を除く): 52359597

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 131, 153, 255, 393, 613, 655, 765, 1179, 1839, 1965, 2227, 3065, 5517, 5895, 6681, 9195, 10421, 11135, 20043, 27585, 31263, 33405, 52105, 80303, 93789, 100215, 156315, 240909, 401515, 468945, 722727, 1204545, 1365151, 3613635, 4095453, 6825755, 12286359, 20477265, 61431795]

約数ペア:

[(1, 61431795), (3, 20477265), (5, 12286359), (9, 6825755), (15, 4095453), (17, 3613635), (45, 1365151), (51, 1204545), (85, 722727), (131, 468945), (153, 401515), (255, 240909), (393, 156315), (613, 100215), (655, 93789), (765, 80303), (1179, 52105), (1839, 33405), (1965, 31263), (2227, 27585), (3065, 20043), (5517, 11135), (5895, 10421), (6681, 9195)]