81487065

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 149299200

約数和(自身を除く): 67812135

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 89, 93, 155, 165, 179, 267, 341, 445, 465, 537, 895, 979, 1023, 1335, 1705, 1969, 2685, 2759, 2937, 4895, 5115, 5549, 5907, 8277, 9845, 13795, 14685, 15931, 16647, 27745, 29535, 30349, 41385, 47793, 61039, 79655, 83235, 91047, 151745, 175241, 183117, 238965, 305195, 455235, 493861, 525723, 876205, 915585, 1481583, 2469305, 2628615, 5432471, 7407915, 16297413, 27162355, 81487065]

約数ペア:

[(1, 81487065), (3, 27162355), (5, 16297413), (11, 7407915), (15, 5432471), (31, 2628615), (33, 2469305), (55, 1481583), (89, 915585), (93, 876205), (155, 525723), (165, 493861), (179, 455235), (267, 305195), (341, 238965), (445, 183117), (465, 175241), (537, 151745), (895, 91047), (979, 83235), (1023, 79655), (1335, 61039), (1705, 47793), (1969, 41385), (2685, 30349), (2759, 29535), (2937, 27745), (4895, 16647), (5115, 15931), (5549, 14685), (5907, 13795), (8277, 9845)]