16992213

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1151}}^1$

素因数の和:1217

約数の個数: 32

約数和(自身を含む): 28016640

約数和(自身を除く): 11024427

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 1151, 2109, 3453, 4921, 8057, 14763, 21869, 24171, 42587, 65607, 127761, 153083, 298109, 459249, 809153, 894327, 2427459, 5664071, 16992213]

約数ペア:

[(1, 16992213), (3, 5664071), (7, 2427459), (19, 894327), (21, 809153), (37, 459249), (57, 298109), (111, 153083), (133, 127761), (259, 65607), (399, 42587), (703, 24171), (777, 21869), (1151, 14763), (2109, 8057), (3453, 4921)]