281518479

素因数分解:

$3^2\times {\mathrm{11}}^3\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:441

約数の個数: 48

約数和(自身を含む): 454940928

約数和(自身を除く): 173422449

約数列:

[1, 3, 9, 11, 33, 71, 99, 121, 213, 331, 363, 639, 781, 993, 1089, 1331, 2343, 2979, 3641, 3993, 7029, 8591, 10923, 11979, 23501, 25773, 32769, 40051, 70503, 77319, 94501, 120153, 211509, 258511, 283503, 360459, 440561, 775533, 850509, 1321683, 2326599, 2843621, 3965049, 8530863, 25592589, 31279831, 93839493, 281518479]

約数ペア:

[(1, 281518479), (3, 93839493), (9, 31279831), (11, 25592589), (33, 8530863), (71, 3965049), (99, 2843621), (121, 2326599), (213, 1321683), (331, 850509), (363, 775533), (639, 440561), (781, 360459), (993, 283503), (1089, 258511), (1331, 211509), (2343, 120153), (2979, 94501), (3641, 77319), (3993, 70503), (7029, 40051), (8591, 32769), (10923, 25773), (11979, 23501)]