161572131

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{50287}}^1$

素因数の和:50320

約数の個数: 32

約数和(自身を含む): 289658880

約数和(自身を除く): 128086749

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 50287, 150861, 352009, 452583, 854879, 1056027, 1357749, 2564637, 3168081, 5984153, 7693911, 9504243, 17952459, 23081733, 53857377, 161572131]

約数ペア:

[(1, 161572131), (3, 53857377), (7, 23081733), (9, 17952459), (17, 9504243), (21, 7693911), (27, 5984153), (51, 3168081), (63, 2564637), (119, 1357749), (153, 1056027), (189, 854879), (357, 452583), (459, 352009), (1071, 150861), (3213, 50287)]