242779677

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 400097280

約数和(自身を除く): 157317603

約数列:

[1, 3, 7, 21, 29, 43, 73, 87, 127, 129, 203, 219, 301, 381, 511, 609, 889, 903, 1247, 1533, 2117, 2667, 3139, 3683, 3741, 5461, 6351, 8729, 9271, 9417, 11049, 14819, 16383, 21973, 25781, 26187, 27813, 38227, 44457, 64897, 65919, 77343, 91031, 114681, 158369, 194691, 268859, 273093, 398653, 475107, 637217, 806577, 1108583, 1195959, 1882013, 1911651, 2790571, 3325749, 5646039, 8371713, 11560937, 34682811, 80926559, 242779677]

約数ペア:

[(1, 242779677), (3, 80926559), (7, 34682811), (21, 11560937), (29, 8371713), (43, 5646039), (73, 3325749), (87, 2790571), (127, 1911651), (129, 1882013), (203, 1195959), (219, 1108583), (301, 806577), (381, 637217), (511, 475107), (609, 398653), (889, 273093), (903, 268859), (1247, 194691), (1533, 158369), (2117, 114681), (2667, 91031), (3139, 77343), (3683, 65919), (3741, 64897), (5461, 44457), (6351, 38227), (8729, 27813), (9271, 26187), (9417, 25781), (11049, 21973), (14819, 16383)]