1899691731

素因数分解:

$3^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:430

約数の個数: 96

約数和(自身を含む): 3383009280

約数和(自身を除く): 1483317549

約数列:

[1, 3, 7, 9, 21, 27, 47, 49, 63, 137, 141, 147, 189, 223, 329, 411, 423, 441, 669, 959, 987, 1233, 1269, 1323, 1561, 2007, 2303, 2877, 2961, 3699, 4683, 6021, 6439, 6713, 6909, 8631, 8883, 10481, 10927, 14049, 19317, 20139, 20727, 25893, 30551, 31443, 32781, 42147, 45073, 57951, 60417, 62181, 73367, 91653, 94329, 98343, 135219, 173853, 181251, 213857, 220101, 274959, 282987, 295029, 315511, 405657, 513569, 641571, 660303, 824877, 946533, 1216971, 1435897, 1496999, 1540707, 1924713, 1980909, 2839599, 4307691, 4490997, 4622121, 5774139, 8518797, 10051279, 12923073, 13472991, 13866363, 30153837, 38769219, 40418973, 70358953, 90461511, 211076859, 271384533, 633230577, 1899691731]

約数ペア:

[(1, 1899691731), (3, 633230577), (7, 271384533), (9, 211076859), (21, 90461511), (27, 70358953), (47, 40418973), (49, 38769219), (63, 30153837), (137, 13866363), (141, 13472991), (147, 12923073), (189, 10051279), (223, 8518797), (329, 5774139), (411, 4622121), (423, 4490997), (441, 4307691), (669, 2839599), (959, 1980909), (987, 1924713), (1233, 1540707), (1269, 1496999), (1323, 1435897), (1561, 1216971), (2007, 946533), (2303, 824877), (2877, 660303), (2961, 641571), (3699, 513569), (4683, 405657), (6021, 315511), (6439, 295029), (6713, 282987), (6909, 274959), (8631, 220101), (8883, 213857), (10481, 181251), (10927, 173853), (14049, 135219), (19317, 98343), (20139, 94329), (20727, 91653), (25893, 73367), (30551, 62181), (31443, 60417), (32781, 57951), (42147, 45073)]