391213059

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{631}}^1$

素因数の和:875

約数の個数: 32

約数和(自身を含む): 561216000

約数和(自身を除く): 170002941

約数列:

[1, 3, 19, 57, 73, 149, 219, 447, 631, 1387, 1893, 2831, 4161, 8493, 10877, 11989, 32631, 35967, 46063, 94019, 138189, 206663, 282057, 619989, 875197, 1786361, 2625591, 5359083, 6863387, 20590161, 130404353, 391213059]

約数ペア:

[(1, 391213059), (3, 130404353), (19, 20590161), (57, 6863387), (73, 5359083), (149, 2625591), (219, 1786361), (447, 875197), (631, 619989), (1387, 282057), (1893, 206663), (2831, 138189), (4161, 94019), (8493, 46063), (10877, 35967), (11989, 32631)]