137445

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1$

素因数の和:50

約数の個数: 48

約数和(自身を含む): 295488

約数和(自身を除く): 158043

約数列:

[1, 3, 5, 7, 11, 15, 17, 21, 33, 35, 49, 51, 55, 77, 85, 105, 119, 147, 165, 187, 231, 245, 255, 357, 385, 539, 561, 595, 735, 833, 935, 1155, 1309, 1617, 1785, 2499, 2695, 2805, 3927, 4165, 6545, 8085, 9163, 12495, 19635, 27489, 45815, 137445]

約数ペア:

[(1, 137445), (3, 45815), (5, 27489), (7, 19635), (11, 12495), (15, 9163), (17, 8085), (21, 6545), (33, 4165), (35, 3927), (49, 2805), (51, 2695), (55, 2499), (77, 1785), (85, 1617), (105, 1309), (119, 1155), (147, 935), (165, 833), (187, 735), (231, 595), (245, 561), (255, 539), (357, 385)]