397492785

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{409}}^1$

素因数の和:759

約数の個数: 64

約数和(自身を含む): 741542400

約数和(自身を除く): 344049615

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 313, 345, 409, 621, 939, 1035, 1227, 1565, 2045, 2817, 3105, 3681, 4695, 6135, 7199, 8451, 9407, 11043, 14085, 18405, 21597, 28221, 35995, 42255, 47035, 55215, 64791, 84663, 107985, 128017, 141105, 194373, 253989, 323955, 384051, 423315, 640085, 971865, 1152153, 1269945, 1920255, 2944391, 3456459, 5760765, 8833173, 14721955, 17282295, 26499519, 44165865, 79498557, 132497595, 397492785]

約数ペア:

[(1, 397492785), (3, 132497595), (5, 79498557), (9, 44165865), (15, 26499519), (23, 17282295), (27, 14721955), (45, 8833173), (69, 5760765), (115, 3456459), (135, 2944391), (207, 1920255), (313, 1269945), (345, 1152153), (409, 971865), (621, 640085), (939, 423315), (1035, 384051), (1227, 323955), (1565, 253989), (2045, 194373), (2817, 141105), (3105, 128017), (3681, 107985), (4695, 84663), (6135, 64791), (7199, 55215), (8451, 47035), (9407, 42255), (11043, 35995), (14085, 28221), (18405, 21597)]