131370687

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:729

約数の個数: 64

約数和(自身を含む): 237404160

約数和(自身を除く): 106033473

約数列:

[1, 3, 7, 9, 21, 23, 27, 47, 63, 69, 141, 161, 189, 207, 329, 423, 483, 621, 643, 987, 1081, 1269, 1449, 1929, 2961, 3243, 4347, 4501, 5787, 7567, 8883, 9729, 13503, 14789, 17361, 22701, 29187, 30221, 40509, 44367, 68103, 90663, 103523, 121527, 133101, 204309, 211547, 271989, 310569, 399303, 634641, 695083, 815967, 931707, 1903923, 2085249, 2795121, 4865581, 5711769, 6255747, 14596743, 18767241, 43790229, 131370687]

約数ペア:

[(1, 131370687), (3, 43790229), (7, 18767241), (9, 14596743), (21, 6255747), (23, 5711769), (27, 4865581), (47, 2795121), (63, 2085249), (69, 1903923), (141, 931707), (161, 815967), (189, 695083), (207, 634641), (329, 399303), (423, 310569), (483, 271989), (621, 211547), (643, 204309), (987, 133101), (1081, 121527), (1269, 103523), (1449, 90663), (1929, 68103), (2961, 44367), (3243, 40509), (4347, 30221), (4501, 29187), (5787, 22701), (7567, 17361), (8883, 14789), (9729, 13503)]