289059903

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{971}}^1$

素因数の和:1116

約数の個数: 48

約数和(自身を含む): 475517952

約数和(自身を除く): 186458049

約数列:

[1, 3, 9, 11, 31, 33, 93, 97, 99, 279, 291, 341, 873, 971, 1023, 1067, 2913, 3007, 3069, 3201, 8739, 9021, 9603, 10681, 27063, 30101, 32043, 33077, 90303, 94187, 96129, 99231, 270909, 282561, 297693, 331111, 847683, 993333, 1036057, 2919797, 2979999, 3108171, 8759391, 9324513, 26278173, 32117767, 96353301, 289059903]

約数ペア:

[(1, 289059903), (3, 96353301), (9, 32117767), (11, 26278173), (31, 9324513), (33, 8759391), (93, 3108171), (97, 2979999), (99, 2919797), (279, 1036057), (291, 993333), (341, 847683), (873, 331111), (971, 297693), (1023, 282561), (1067, 270909), (2913, 99231), (3007, 96129), (3069, 94187), (3201, 90303), (8739, 33077), (9021, 32043), (9603, 30101), (10681, 27063)]