31122495

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 59719680

約数和(自身を除く): 28597185

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 71, 85, 135, 153, 191, 213, 255, 355, 459, 573, 639, 765, 955, 1065, 1207, 1719, 1917, 2295, 2865, 3195, 3247, 3621, 5157, 6035, 8595, 9585, 9741, 10863, 13561, 16235, 18105, 25785, 29223, 32589, 40683, 48705, 54315, 67805, 87669, 122049, 146115, 162945, 203415, 230537, 366147, 438345, 610245, 691611, 1152685, 1830735, 2074833, 3458055, 6224499, 10374165, 31122495]

約数ペア:

[(1, 31122495), (3, 10374165), (5, 6224499), (9, 3458055), (15, 2074833), (17, 1830735), (27, 1152685), (45, 691611), (51, 610245), (71, 438345), (85, 366147), (135, 230537), (153, 203415), (191, 162945), (213, 146115), (255, 122049), (355, 87669), (459, 67805), (573, 54315), (639, 48705), (765, 40683), (955, 32589), (1065, 29223), (1207, 25785), (1719, 18105), (1917, 16235), (2295, 13561), (2865, 10863), (3195, 9741), (3247, 9585), (3621, 8595), (5157, 6035)]