622771821

素因数分解:

$3^5\times 7^2\times {\mathrm{193}}^1\times {\mathrm{271}}^1$

素因数の和:493

約数の個数: 72

約数和(自身を含む): 1094830464

約数和(自身を除く): 472058643

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 193, 243, 271, 441, 567, 579, 813, 1323, 1351, 1701, 1737, 1897, 2439, 3969, 4053, 5211, 5691, 7317, 9457, 11907, 12159, 13279, 15633, 17073, 21951, 28371, 36477, 39837, 46899, 51219, 52303, 65853, 85113, 109431, 119511, 153657, 156909, 255339, 328293, 358533, 366121, 460971, 470727, 766017, 1075599, 1098363, 1412181, 2298051, 2562847, 3226797, 3295089, 4236543, 7688541, 9885267, 12709629, 23065623, 29655801, 69196869, 88967403, 207590607, 622771821]

約数ペア:

[(1, 622771821), (3, 207590607), (7, 88967403), (9, 69196869), (21, 29655801), (27, 23065623), (49, 12709629), (63, 9885267), (81, 7688541), (147, 4236543), (189, 3295089), (193, 3226797), (243, 2562847), (271, 2298051), (441, 1412181), (567, 1098363), (579, 1075599), (813, 766017), (1323, 470727), (1351, 460971), (1701, 366121), (1737, 358533), (1897, 328293), (2439, 255339), (3969, 156909), (4053, 153657), (5211, 119511), (5691, 109431), (7317, 85113), (9457, 65853), (11907, 52303), (12159, 51219), (13279, 46899), (15633, 39837), (17073, 36477), (21951, 28371)]