81286623

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1231}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 138378240

約数和(自身を除く): 57091617

約数列:

[1, 3, 9, 11, 23, 29, 33, 69, 87, 99, 207, 253, 261, 319, 667, 759, 957, 1231, 2001, 2277, 2871, 3693, 6003, 7337, 11079, 13541, 22011, 28313, 35699, 40623, 66033, 84939, 107097, 121869, 254817, 311443, 321291, 392689, 821077, 934329, 1178067, 2463231, 2802987, 3534201, 7389693, 9031847, 27095541, 81286623]

約数ペア:

[(1, 81286623), (3, 27095541), (9, 9031847), (11, 7389693), (23, 3534201), (29, 2802987), (33, 2463231), (69, 1178067), (87, 934329), (99, 821077), (207, 392689), (253, 321291), (261, 311443), (319, 254817), (667, 121869), (759, 107097), (957, 84939), (1231, 66033), (2001, 40623), (2277, 35699), (2871, 28313), (3693, 22011), (6003, 13541), (7337, 11079)]