1645553637

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223247}}^1$

素因数の和:223279

約数の個数: 40

約数和(自身を含む): 3025456896

約数和(自身を除く): 1379903259

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 7371, 223247, 669741, 1562729, 2009223, 2902211, 4688187, 6027669, 8706633, 14064561, 18083007, 20315477, 26119899, 42193683, 60946431, 78359697, 126581049, 182839293, 235079091, 548517879, 1645553637]

約数ペア:

[(1, 1645553637), (3, 548517879), (7, 235079091), (9, 182839293), (13, 126581049), (21, 78359697), (27, 60946431), (39, 42193683), (63, 26119899), (81, 20315477), (91, 18083007), (117, 14064561), (189, 8706633), (273, 6027669), (351, 4688187), (567, 2902211), (819, 2009223), (1053, 1562729), (2457, 669741), (7371, 223247)]