20123849997

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{175937}}^1$

素因数の和:176193

約数の個数: 24

約数和(自身を含む): 29642034240

約数和(自身を除く): 9518184243

約数列:

[1, 3, 9, 71, 179, 213, 537, 639, 1611, 12709, 38127, 114381, 175937, 527811, 1583433, 12491527, 31492723, 37474581, 94478169, 112423743, 283434507, 2235983333, 6707949999, 20123849997]

約数ペア:

[(1, 20123849997), (3, 6707949999), (9, 2235983333), (71, 283434507), (179, 112423743), (213, 94478169), (537, 37474581), (639, 31492723), (1611, 12491527), (12709, 1583433), (38127, 527811), (114381, 175937)]