81796965

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{4373}}^1$

素因数の和:4453

約数の個数: 32

約数和(自身を含む): 138568320

約数和(自身を除く): 56771355

約数列:

[1, 3, 5, 15, 29, 43, 87, 129, 145, 215, 435, 645, 1247, 3741, 4373, 6235, 13119, 18705, 21865, 65595, 126817, 188039, 380451, 564117, 634085, 940195, 1902255, 2820585, 5453131, 16359393, 27265655, 81796965]

約数ペア:

[(1, 81796965), (3, 27265655), (5, 16359393), (15, 5453131), (29, 2820585), (43, 1902255), (87, 940195), (129, 634085), (145, 564117), (215, 380451), (435, 188039), (645, 126817), (1247, 65595), (3741, 21865), (4373, 18705), (6235, 13119)]