81820005

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{983}}^1$

素因数の和:1201

約数の個数: 32

約数和(自身を含む): 136028160

約数和(自身を除く): 54208155

約数列:

[1, 3, 5, 15, 31, 93, 155, 179, 465, 537, 895, 983, 2685, 2949, 4915, 5549, 14745, 16647, 27745, 30473, 83235, 91419, 152365, 175957, 457095, 527871, 879785, 2639355, 5454667, 16364001, 27273335, 81820005]

約数ペア:

[(1, 81820005), (3, 27273335), (5, 16364001), (15, 5454667), (31, 2639355), (93, 879785), (155, 527871), (179, 457095), (465, 175957), (537, 152365), (895, 91419), (983, 83235), (2685, 30473), (2949, 27745), (4915, 16647), (5549, 14745)]