64875825

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2423}}^1$

素因数の和:2463

約数の個数: 72

約数和(自身を含む): 140669568

約数和(自身を除く): 75793743

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 35, 45, 51, 63, 75, 85, 105, 119, 153, 175, 225, 255, 315, 357, 425, 525, 595, 765, 1071, 1275, 1575, 1785, 2423, 2975, 3825, 5355, 7269, 8925, 12115, 16961, 21807, 26775, 36345, 41191, 50883, 60575, 84805, 109035, 123573, 152649, 181725, 205955, 254415, 288337, 370719, 424025, 545175, 617865, 763245, 865011, 1029775, 1272075, 1441685, 1853595, 2595033, 3089325, 3816225, 4325055, 7208425, 9267975, 12975165, 21625275, 64875825]

約数ペア:

[(1, 64875825), (3, 21625275), (5, 12975165), (7, 9267975), (9, 7208425), (15, 4325055), (17, 3816225), (21, 3089325), (25, 2595033), (35, 1853595), (45, 1441685), (51, 1272075), (63, 1029775), (75, 865011), (85, 763245), (105, 617865), (119, 545175), (153, 424025), (175, 370719), (225, 288337), (255, 254415), (315, 205955), (357, 181725), (425, 152649), (525, 123573), (595, 109035), (765, 84805), (1071, 60575), (1275, 50883), (1575, 41191), (1785, 36345), (2423, 26775), (2975, 21807), (3825, 16961), (5355, 12115), (7269, 8925)]