7744989

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 13132800

約数和(自身を除く): 5387811

約数列:

[1, 3, 7, 19, 21, 47, 49, 57, 59, 133, 141, 147, 177, 329, 399, 413, 893, 931, 987, 1121, 1239, 2303, 2679, 2773, 2793, 2891, 3363, 6251, 6909, 7847, 8319, 8673, 18753, 19411, 23541, 43757, 52687, 54929, 58233, 131271, 135877, 158061, 164787, 368809, 407631, 1106427, 2581663, 7744989]

約数ペア:

[(1, 7744989), (3, 2581663), (7, 1106427), (19, 407631), (21, 368809), (47, 164787), (49, 158061), (57, 135877), (59, 131271), (133, 58233), (141, 54929), (147, 52687), (177, 43757), (329, 23541), (399, 19411), (413, 18753), (893, 8673), (931, 8319), (987, 7847), (1121, 6909), (1239, 6251), (2303, 3363), (2679, 2891), (2773, 2793)]