57726921

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{971}}^1$

素因数の和:1149

約数の個数: 32

約数和(自身を含む): 93312000

約数和(自身を除く): 35585079

約数列:

[1, 3, 7, 19, 21, 57, 133, 149, 399, 447, 971, 1043, 2831, 2913, 3129, 6797, 8493, 18449, 19817, 20391, 55347, 59451, 129143, 144679, 387429, 434037, 1012753, 2748901, 3038259, 8246703, 19242307, 57726921]

約数ペア:

[(1, 57726921), (3, 19242307), (7, 8246703), (19, 3038259), (21, 2748901), (57, 1012753), (133, 434037), (149, 387429), (399, 144679), (447, 129143), (971, 59451), (1043, 55347), (2831, 20391), (2913, 19817), (3129, 18449), (6797, 8493)]