1289405439

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{158657}}^1$

素因数の和:158716

約数の個数: 32

約数和(自身を含む): 2233904640

約数和(自身を除く): 944499201

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 8127, 158657, 475971, 1110599, 1427913, 3331797, 4283739, 6822251, 9995391, 20466753, 29986173, 47755757, 61400259, 143267271, 184200777, 429801813, 1289405439]

約数ペア:

[(1, 1289405439), (3, 429801813), (7, 184200777), (9, 143267271), (21, 61400259), (27, 47755757), (43, 29986173), (63, 20466753), (129, 9995391), (189, 6822251), (301, 4283739), (387, 3331797), (903, 1427913), (1161, 1110599), (2709, 475971), (8127, 158657)]