81901155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{2699}}^1$

素因数の和:2748

約数の個数: 48

約数和(自身を含む): 159148800

約数和(自身を除く): 77247645

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 289, 357, 595, 867, 1445, 1785, 2023, 2699, 4335, 6069, 8097, 10115, 13495, 18893, 30345, 40485, 45883, 56679, 94465, 137649, 229415, 283395, 321181, 688245, 780011, 963543, 1605905, 2340033, 3900055, 4817715, 5460077, 11700165, 16380231, 27300385, 81901155]

約数ペア:

[(1, 81901155), (3, 27300385), (5, 16380231), (7, 11700165), (15, 5460077), (17, 4817715), (21, 3900055), (35, 2340033), (51, 1605905), (85, 963543), (105, 780011), (119, 688245), (255, 321181), (289, 283395), (357, 229415), (595, 137649), (867, 94465), (1445, 56679), (1785, 45883), (2023, 40485), (2699, 30345), (4335, 18893), (6069, 13495), (8097, 10115)]