211025277

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 338411520

約数和(自身を除く): 127386243

約数列:

[1, 3, 9, 27, 31, 53, 67, 71, 93, 159, 201, 213, 279, 477, 603, 639, 837, 1431, 1643, 1809, 1917, 2077, 2201, 3551, 3763, 4757, 4929, 6231, 6603, 10653, 11289, 14271, 14787, 18693, 19809, 31959, 33867, 42813, 44361, 56079, 59427, 95877, 101601, 110081, 116653, 128439, 147467, 252121, 330243, 349959, 442401, 756363, 990729, 1049877, 1327203, 2269089, 2972187, 3149631, 3981609, 6807267, 7815751, 23447253, 70341759, 211025277]

約数ペア:

[(1, 211025277), (3, 70341759), (9, 23447253), (27, 7815751), (31, 6807267), (53, 3981609), (67, 3149631), (71, 2972187), (93, 2269089), (159, 1327203), (201, 1049877), (213, 990729), (279, 756363), (477, 442401), (603, 349959), (639, 330243), (837, 252121), (1431, 147467), (1643, 128439), (1809, 116653), (1917, 110081), (2077, 101601), (2201, 95877), (3551, 59427), (3763, 56079), (4757, 44361), (4929, 42813), (6231, 33867), (6603, 31959), (10653, 19809), (11289, 18693), (14271, 14787)]