1247577849

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{389}}^1$

素因数の和:715

約数の個数: 64

約数和(自身を含む): 2156544000

約数和(自身を除く): 908966151

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 239, 389, 497, 639, 717, 1167, 1491, 1673, 1917, 2151, 2723, 3501, 4473, 5019, 6453, 8169, 10503, 13419, 15057, 16969, 24507, 27619, 45171, 50907, 73521, 82857, 92971, 118783, 152721, 193333, 248571, 278913, 356349, 458163, 579999, 650797, 745713, 836739, 1069047, 1739997, 1952391, 2510217, 3207141, 5219991, 5857173, 6600941, 17571519, 19802823, 46206587, 59408469, 138619761, 178225407, 415859283, 1247577849]

約数ペア:

[(1, 1247577849), (3, 415859283), (7, 178225407), (9, 138619761), (21, 59408469), (27, 46206587), (63, 19802823), (71, 17571519), (189, 6600941), (213, 5857173), (239, 5219991), (389, 3207141), (497, 2510217), (639, 1952391), (717, 1739997), (1167, 1069047), (1491, 836739), (1673, 745713), (1917, 650797), (2151, 579999), (2723, 458163), (3501, 356349), (4473, 278913), (5019, 248571), (6453, 193333), (8169, 152721), (10503, 118783), (13419, 92971), (15057, 82857), (16969, 73521), (24507, 50907), (27619, 45171)]