210835317

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{823}}^1\times {\mathrm{1109}}^1$

素因数の和:1953

約数の個数: 32

約数和(自身を含む): 351221760

約数和(自身を除く): 140386443

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 823, 1109, 2469, 3327, 5761, 7763, 9053, 12199, 17283, 23289, 27159, 36597, 63371, 85393, 190113, 256179, 912707, 2738121, 6388949, 10039777, 19166847, 30119331, 70278439, 210835317]

約数ペア:

[(1, 210835317), (3, 70278439), (7, 30119331), (11, 19166847), (21, 10039777), (33, 6388949), (77, 2738121), (231, 912707), (823, 256179), (1109, 190113), (2469, 85393), (3327, 63371), (5761, 36597), (7763, 27159), (9053, 23289), (12199, 17283)]