78726249

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3229}}^1$

素因数の和:3291

約数の個数: 40

約数和(自身を含む): 137572160

約数和(自身を除く): 58845911

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 301, 387, 567, 903, 1161, 2709, 3229, 3483, 8127, 9687, 22603, 24381, 29061, 67809, 87183, 138847, 203427, 261549, 416541, 610281, 971929, 1249623, 1830843, 2915787, 3748869, 8747361, 11246607, 26242083, 78726249]

約数ペア:

[(1, 78726249), (3, 26242083), (7, 11246607), (9, 8747361), (21, 3748869), (27, 2915787), (43, 1830843), (63, 1249623), (81, 971929), (129, 610281), (189, 416541), (301, 261549), (387, 203427), (567, 138847), (903, 87183), (1161, 67809), (2709, 29061), (3229, 24381), (3483, 22603), (8127, 9687)]