808216731

素因数分解:

$3^3\times 7^3\times {\mathrm{197}}^1\times {\mathrm{443}}^1$

素因数の和:670

約数の個数: 64

約数和(自身を含む): 1406592000

約数和(自身を除く): 598375269

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 197, 343, 441, 443, 591, 1029, 1323, 1329, 1379, 1773, 3087, 3101, 3987, 4137, 5319, 9261, 9303, 9653, 11961, 12411, 21707, 27909, 28959, 37233, 65121, 67571, 83727, 86877, 87271, 151949, 195363, 202713, 260631, 261813, 455847, 586089, 608139, 610897, 785439, 1367541, 1824417, 1832691, 2356317, 4102623, 4276279, 5498073, 12828837, 16494219, 29933953, 38486511, 89801859, 115459533, 269405577, 808216731]

約数ペア:

[(1, 808216731), (3, 269405577), (7, 115459533), (9, 89801859), (21, 38486511), (27, 29933953), (49, 16494219), (63, 12828837), (147, 5498073), (189, 4276279), (197, 4102623), (343, 2356317), (441, 1832691), (443, 1824417), (591, 1367541), (1029, 785439), (1323, 610897), (1329, 608139), (1379, 586089), (1773, 455847), (3087, 261813), (3101, 260631), (3987, 202713), (4137, 195363), (5319, 151949), (9261, 87271), (9303, 86877), (9653, 83727), (11961, 67571), (12411, 65121), (21707, 37233), (27909, 28959)]