81985932

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{977}}^1$

素因数の和:1037

約数の個数: 120

約数和(自身を含む): 251823264

約数和(自身を除く): 169837332

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 37, 42, 54, 63, 74, 81, 84, 108, 111, 126, 148, 162, 189, 222, 252, 259, 324, 333, 378, 444, 518, 567, 666, 756, 777, 977, 999, 1036, 1134, 1332, 1554, 1954, 1998, 2268, 2331, 2931, 2997, 3108, 3908, 3996, 4662, 5862, 5994, 6839, 6993, 8793, 9324, 11724, 11988, 13678, 13986, 17586, 20517, 20979, 26379, 27356, 27972, 35172, 36149, 41034, 41958, 52758, 61551, 72298, 79137, 82068, 83916, 105516, 108447, 123102, 144596, 158274, 184653, 216894, 246204, 253043, 316548, 325341, 369306, 433788, 506086, 553959, 650682, 738612, 759129, 976023, 1012172, 1107918, 1301364, 1518258, 1952046, 2215836, 2277387, 2928069, 3036516, 3904092, 4554774, 5856138, 6832161, 9109548, 11712276, 13664322, 20496483, 27328644, 40992966, 81985932]

約数ペア:

[(1, 81985932), (2, 40992966), (3, 27328644), (4, 20496483), (6, 13664322), (7, 11712276), (9, 9109548), (12, 6832161), (14, 5856138), (18, 4554774), (21, 3904092), (27, 3036516), (28, 2928069), (36, 2277387), (37, 2215836), (42, 1952046), (54, 1518258), (63, 1301364), (74, 1107918), (81, 1012172), (84, 976023), (108, 759129), (111, 738612), (126, 650682), (148, 553959), (162, 506086), (189, 433788), (222, 369306), (252, 325341), (259, 316548), (324, 253043), (333, 246204), (378, 216894), (444, 184653), (518, 158274), (567, 144596), (666, 123102), (756, 108447), (777, 105516), (977, 83916), (999, 82068), (1036, 79137), (1134, 72298), (1332, 61551), (1554, 52758), (1954, 41958), (1998, 41034), (2268, 36149), (2331, 35172), (2931, 27972), (2997, 27356), (3108, 26379), (3908, 20979), (3996, 20517), (4662, 17586), (5862, 13986), (5994, 13678), (6839, 11988), (6993, 11724), (8793, 9324)]