81672759

素因数分解:

$3^3\times 7^3\times {\mathrm{8819}}^1$

素因数の和:8849

約数の個数: 32

約数和(自身を含む): 141120000

約数和(自身を除く): 59447241

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 3087, 8819, 9261, 26457, 61733, 79371, 185199, 238113, 432131, 555597, 1296393, 1666791, 3024917, 3889179, 9074751, 11667537, 27224253, 81672759]

約数ペア:

[(1, 81672759), (3, 27224253), (7, 11667537), (9, 9074751), (21, 3889179), (27, 3024917), (49, 1666791), (63, 1296393), (147, 555597), (189, 432131), (343, 238113), (441, 185199), (1029, 79371), (1323, 61733), (3087, 26457), (8819, 9261)]