8420658621

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{431}}^1\times {\mathrm{971}}^1$

素因数の和:1777

約数の個数: 32

約数和(自身を含む): 11891681280

約数和(自身を除く): 3471022659

約数列:

[1, 3, 19, 57, 353, 431, 971, 1059, 1293, 2913, 6707, 8189, 18449, 20121, 24567, 55347, 152143, 342763, 418501, 456429, 1028289, 1255503, 2890717, 6512497, 7951519, 8672151, 19537491, 23854557, 147730853, 443192559, 2806886207, 8420658621]

約数ペア:

[(1, 8420658621), (3, 2806886207), (19, 443192559), (57, 147730853), (353, 23854557), (431, 19537491), (971, 8672151), (1059, 7951519), (1293, 6512497), (2913, 2890717), (6707, 1255503), (8189, 1028289), (18449, 456429), (20121, 418501), (24567, 342763), (55347, 152143)]