81557064

素因数分解:

$2^3\times 3^3\times {\mathrm{491}}^1\times {\mathrm{769}}^1$

素因数の和:1275

約数の個数: 64

約数和(自身を含む): 227304000

約数和(自身を除く): 145746936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 491, 769, 982, 1473, 1538, 1964, 2307, 2946, 3076, 3928, 4419, 4614, 5892, 6152, 6921, 8838, 9228, 11784, 13257, 13842, 17676, 18456, 20763, 26514, 27684, 35352, 41526, 53028, 55368, 83052, 106056, 166104, 377579, 755158, 1132737, 1510316, 2265474, 3020632, 3398211, 4530948, 6796422, 9061896, 10194633, 13592844, 20389266, 27185688, 40778532, 81557064]

約数ペア:

[(1, 81557064), (2, 40778532), (3, 27185688), (4, 20389266), (6, 13592844), (8, 10194633), (9, 9061896), (12, 6796422), (18, 4530948), (24, 3398211), (27, 3020632), (36, 2265474), (54, 1510316), (72, 1132737), (108, 755158), (216, 377579), (491, 166104), (769, 106056), (982, 83052), (1473, 55368), (1538, 53028), (1964, 41526), (2307, 35352), (2946, 27684), (3076, 26514), (3928, 20763), (4419, 18456), (4614, 17676), (5892, 13842), (6152, 13257), (6921, 11784), (8838, 9228)]