128533251

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{1291}}^1$

素因数の和:1743

約数の個数: 32

約数和(自身を含む): 214327296

約数和(自身を除く): 85794045

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 431, 1291, 1293, 3017, 3873, 4741, 9037, 9051, 14201, 14223, 27111, 33187, 42603, 99407, 99561, 298221, 556421, 1669263, 3894947, 6120631, 11684841, 18361893, 42844417, 128533251]

約数ペア:

[(1, 128533251), (3, 42844417), (7, 18361893), (11, 11684841), (21, 6120631), (33, 3894947), (77, 1669263), (231, 556421), (431, 298221), (1291, 99561), (1293, 99407), (3017, 42603), (3873, 33187), (4741, 27111), (9037, 14223), (9051, 14201)]