66620475

素因数分解:

$3^4\times 5^2\times {\mathrm{167}}^1\times {\mathrm{197}}^1$

素因数の和:386

約数の個数: 60

約数和(自身を含む): 124773264

約数和(自身を除く): 58152789

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 167, 197, 225, 405, 501, 591, 675, 835, 985, 1503, 1773, 2025, 2505, 2955, 4175, 4509, 4925, 5319, 7515, 8865, 12525, 13527, 14775, 15957, 22545, 26595, 32899, 37575, 44325, 67635, 79785, 98697, 112725, 132975, 164495, 296091, 338175, 398925, 493485, 822475, 888273, 1480455, 2467425, 2664819, 4441365, 7402275, 13324095, 22206825, 66620475]

約数ペア:

[(1, 66620475), (3, 22206825), (5, 13324095), (9, 7402275), (15, 4441365), (25, 2664819), (27, 2467425), (45, 1480455), (75, 888273), (81, 822475), (135, 493485), (167, 398925), (197, 338175), (225, 296091), (405, 164495), (501, 132975), (591, 112725), (675, 98697), (835, 79785), (985, 67635), (1503, 44325), (1773, 37575), (2025, 32899), (2505, 26595), (2955, 22545), (4175, 15957), (4509, 14775), (4925, 13527), (5319, 12525), (7515, 8865)]