71641689

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2749}}^1$

素因数の和:2849

約数の個数: 32

約数和(自身を含む): 117216000

約数和(自身を除く): 45574311

約数列:

[1, 3, 7, 17, 21, 51, 73, 119, 219, 357, 511, 1241, 1533, 2749, 3723, 8247, 8687, 19243, 26061, 46733, 57729, 140199, 200677, 327131, 602031, 981393, 1404739, 3411509, 4214217, 10234527, 23880563, 71641689]

約数ペア:

[(1, 71641689), (3, 23880563), (7, 10234527), (17, 4214217), (21, 3411509), (51, 1404739), (73, 981393), (119, 602031), (219, 327131), (357, 200677), (511, 140199), (1241, 57729), (1533, 46733), (2749, 26061), (3723, 19243), (8247, 8687)]