81690174

素因数分解:

$2^1\times 3^3\times {\mathrm{563}}^1\times {\mathrm{2687}}^1$

素因数の和:3261

約数の個数: 32

約数和(自身を含む): 181923840

約数和(自身を除く): 100233666

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 563, 1126, 1689, 2687, 3378, 5067, 5374, 8061, 10134, 15201, 16122, 24183, 30402, 48366, 72549, 145098, 1512781, 3025562, 4538343, 9076686, 13615029, 27230058, 40845087, 81690174]

約数ペア:

[(1, 81690174), (2, 40845087), (3, 27230058), (6, 13615029), (9, 9076686), (18, 4538343), (27, 3025562), (54, 1512781), (563, 145098), (1126, 72549), (1689, 48366), (2687, 30402), (3378, 24183), (5067, 16122), (5374, 15201), (8061, 10134)]