338454543

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{5693}}^1$

素因数の和:5871

約数の個数: 32

約数和(自身を含む): 546624000

約数和(自身を除く): 208169457

約数列:

[1, 3, 7, 19, 21, 57, 133, 149, 399, 447, 1043, 2831, 3129, 5693, 8493, 17079, 19817, 39851, 59451, 108167, 119553, 324501, 757169, 848257, 2271507, 2544771, 5937799, 16116883, 17813397, 48350649, 112818181, 338454543]

約数ペア:

[(1, 338454543), (3, 112818181), (7, 48350649), (19, 17813397), (21, 16116883), (57, 5937799), (133, 2544771), (149, 2271507), (399, 848257), (447, 757169), (1043, 324501), (2831, 119553), (3129, 108167), (5693, 59451), (8493, 39851), (17079, 19817)]