898778817

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 1372250880

約数和(自身を除く): 473472063

約数列:

[1, 3, 9, 29, 87, 97, 131, 261, 271, 291, 393, 813, 873, 1179, 2439, 2813, 3799, 7859, 8439, 11397, 12707, 23577, 25317, 26287, 34191, 35501, 38121, 70731, 78861, 106503, 114363, 236583, 319509, 368503, 762323, 1029529, 1105509, 2286969, 3088587, 3316527, 3443597, 6860907, 9265761, 10330791, 30992373, 99864313, 299592939, 898778817]

約数ペア:

[(1, 898778817), (3, 299592939), (9, 99864313), (29, 30992373), (87, 10330791), (97, 9265761), (131, 6860907), (261, 3443597), (271, 3316527), (291, 3088587), (393, 2286969), (813, 1105509), (873, 1029529), (1179, 762323), (2439, 368503), (2813, 319509), (3799, 236583), (7859, 114363), (8439, 106503), (11397, 78861), (12707, 70731), (23577, 38121), (25317, 35501), (26287, 34191)]