161738241

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{887}}^1$

素因数の和:1373

約数の個数: 32

約数和(自身を含む): 260290560

約数和(自身を除く): 98552319

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 457, 887, 1371, 2661, 3199, 6209, 8683, 9597, 16853, 18627, 26049, 50559, 60781, 117971, 182343, 353913, 405359, 1216077, 2837513, 7701821, 8512539, 23105463, 53912747, 161738241]

約数ペア:

[(1, 161738241), (3, 53912747), (7, 23105463), (19, 8512539), (21, 7701821), (57, 2837513), (133, 1216077), (399, 405359), (457, 353913), (887, 182343), (1371, 117971), (2661, 60781), (3199, 50559), (6209, 26049), (8683, 18627), (9597, 16853)]