42030261

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 81885440

約数和(自身を除く): 39855179

約数列:

[1, 3, 7, 9, 13, 19, 21, 37, 39, 57, 63, 73, 91, 111, 117, 133, 171, 219, 247, 259, 273, 333, 399, 481, 511, 657, 703, 741, 777, 819, 949, 1197, 1387, 1443, 1533, 1729, 2109, 2223, 2331, 2701, 2847, 3367, 4161, 4329, 4599, 4921, 5187, 6327, 6643, 8103, 8541, 9139, 9709, 10101, 12483, 14763, 15561, 18031, 18907, 19929, 24309, 27417, 29127, 30303, 35113, 44289, 51319, 54093, 56721, 59787, 63973, 82251, 87381, 105339, 126217, 153957, 162279, 170163, 191919, 245791, 316017, 359233, 378651, 461871, 575757, 667147, 737373, 1077699, 1135953, 2001441, 2212119, 3233097, 4670029, 6004323, 14010087, 42030261]

約数ペア:

[(1, 42030261), (3, 14010087), (7, 6004323), (9, 4670029), (13, 3233097), (19, 2212119), (21, 2001441), (37, 1135953), (39, 1077699), (57, 737373), (63, 667147), (73, 575757), (91, 461871), (111, 378651), (117, 359233), (133, 316017), (171, 245791), (219, 191919), (247, 170163), (259, 162279), (273, 153957), (333, 126217), (399, 105339), (481, 87381), (511, 82251), (657, 63973), (703, 59787), (741, 56721), (777, 54093), (819, 51319), (949, 44289), (1197, 35113), (1387, 30303), (1443, 29127), (1533, 27417), (1729, 24309), (2109, 19929), (2223, 18907), (2331, 18031), (2701, 15561), (2847, 14763), (3367, 12483), (4161, 10101), (4329, 9709), (4599, 9139), (4921, 8541), (5187, 8103), (6327, 6643)]