218363523

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{3673}}^1$

素因数の和:3851

約数の個数: 32

約数和(自身を含む): 352704000

約数和(自身を除く): 134340477

約数列:

[1, 3, 7, 19, 21, 57, 133, 149, 399, 447, 1043, 2831, 3129, 3673, 8493, 11019, 19817, 25711, 59451, 69787, 77133, 209361, 488509, 547277, 1465527, 1641831, 3830939, 10398263, 11492817, 31194789, 72787841, 218363523]

約数ペア:

[(1, 218363523), (3, 72787841), (7, 31194789), (19, 11492817), (21, 10398263), (57, 3830939), (133, 1641831), (149, 1465527), (399, 547277), (447, 488509), (1043, 209361), (2831, 77133), (3129, 69787), (3673, 59451), (8493, 25711), (11019, 19817)]