81892890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{303307}}^1$

素因数の和:303323

約数の個数: 32

約数和(自身を含む): 218381760

約数和(自身を除く): 136488870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 303307, 606614, 909921, 1516535, 1819842, 2729763, 3033070, 4549605, 5459526, 8189289, 9099210, 13648815, 16378578, 27297630, 40946445, 81892890]

約数ペア:

[(1, 81892890), (2, 40946445), (3, 27297630), (5, 16378578), (6, 13648815), (9, 9099210), (10, 8189289), (15, 5459526), (18, 4549605), (27, 3033070), (30, 2729763), (45, 1819842), (54, 1516535), (90, 909921), (135, 606614), (270, 303307)]