81254236329

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1327}}^1\times {\mathrm{3229}}^1$

素因数の和:4619

約数の個数: 72

約数和(自身を含む): 139852901760

約数和(自身を除く): 58598665431

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 129, 147, 301, 387, 441, 903, 1327, 2107, 2709, 3229, 3981, 6321, 9289, 9687, 11943, 18963, 22603, 27867, 29061, 57061, 65023, 67809, 83601, 138847, 158221, 171183, 195069, 203427, 399427, 416541, 474663, 513549, 585207, 971929, 1198281, 1249623, 1423989, 2795989, 2915787, 3594843, 4284883, 6803503, 8387967, 8747361, 12854649, 20410509, 25163901, 29994181, 38563947, 61231527, 89982543, 184249969, 209959267, 269947629, 552749907, 629877801, 1289749783, 1658249721, 1889633403, 3869249349, 9028248481, 11607748047, 27084745443, 81254236329]

約数ペア:

[(1, 81254236329), (3, 27084745443), (7, 11607748047), (9, 9028248481), (21, 3869249349), (43, 1889633403), (49, 1658249721), (63, 1289749783), (129, 629877801), (147, 552749907), (301, 269947629), (387, 209959267), (441, 184249969), (903, 89982543), (1327, 61231527), (2107, 38563947), (2709, 29994181), (3229, 25163901), (3981, 20410509), (6321, 12854649), (9289, 8747361), (9687, 8387967), (11943, 6803503), (18963, 4284883), (22603, 3594843), (27867, 2915787), (29061, 2795989), (57061, 1423989), (65023, 1249623), (67809, 1198281), (83601, 971929), (138847, 585207), (158221, 513549), (171183, 474663), (195069, 416541), (203427, 399427)]