16972725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2939}}^1$

素因数の和:2970

約数の個数: 48

約数和(自身を含む): 34997760

約数和(自身を除く): 18025035

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 165, 175, 231, 275, 385, 525, 825, 1155, 1925, 2939, 5775, 8817, 14695, 20573, 32329, 44085, 61719, 73475, 96987, 102865, 161645, 220425, 226303, 308595, 484935, 514325, 678909, 808225, 1131515, 1542975, 2424675, 3394545, 5657575, 16972725]

約数ペア:

[(1, 16972725), (3, 5657575), (5, 3394545), (7, 2424675), (11, 1542975), (15, 1131515), (21, 808225), (25, 678909), (33, 514325), (35, 484935), (55, 308595), (75, 226303), (77, 220425), (105, 161645), (165, 102865), (175, 96987), (231, 73475), (275, 61719), (385, 44085), (525, 32329), (825, 20573), (1155, 14695), (1925, 8817), (2939, 5775)]