201377421

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:416

約数の個数: 80

約数和(自身を含む): 366368640

約数和(自身を除く): 164991219

約数列:

[1, 3, 7, 9, 21, 27, 29, 37, 63, 81, 87, 111, 189, 203, 259, 261, 331, 333, 567, 609, 777, 783, 993, 999, 1073, 1827, 2317, 2331, 2349, 2979, 2997, 3219, 5481, 6951, 6993, 7511, 8937, 9599, 9657, 12247, 16443, 20853, 20979, 22533, 26811, 28797, 28971, 36741, 62559, 67193, 67599, 85729, 86391, 86913, 110223, 187677, 201579, 202797, 257187, 259173, 330669, 355163, 604737, 608391, 771561, 777519, 992007, 1065489, 1814211, 2314683, 2486141, 3196467, 5442633, 6944049, 7458423, 9589401, 22375269, 28768203, 67125807, 201377421]

約数ペア:

[(1, 201377421), (3, 67125807), (7, 28768203), (9, 22375269), (21, 9589401), (27, 7458423), (29, 6944049), (37, 5442633), (63, 3196467), (81, 2486141), (87, 2314683), (111, 1814211), (189, 1065489), (203, 992007), (259, 777519), (261, 771561), (331, 608391), (333, 604737), (567, 355163), (609, 330669), (777, 259173), (783, 257187), (993, 202797), (999, 201579), (1073, 187677), (1827, 110223), (2317, 86913), (2331, 86391), (2349, 85729), (2979, 67599), (2997, 67193), (3219, 62559), (5481, 36741), (6951, 28971), (6993, 28797), (7511, 26811), (8937, 22533), (9599, 20979), (9657, 20853), (12247, 16443)]