191621661

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{3061}}^1$

素因数の和:3353

約数の個数: 32

約数和(自身を含む): 319819776

約数和(自身を除く): 128198115

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 271, 813, 1897, 2981, 3061, 5691, 8943, 9183, 20867, 21427, 33671, 62601, 64281, 101013, 235697, 707091, 829531, 2488593, 5806717, 9124841, 17420151, 27374523, 63873887, 191621661]

約数ペア:

[(1, 191621661), (3, 63873887), (7, 27374523), (11, 17420151), (21, 9124841), (33, 5806717), (77, 2488593), (231, 829531), (271, 707091), (813, 235697), (1897, 101013), (2981, 64281), (3061, 62601), (5691, 33671), (8943, 21427), (9183, 20867)]