218694735

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{77141}}^1$

素因数の和:77165

約数の個数: 40

約数和(自身を含む): 448040736

約数和(自身を除く): 229346001

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 77141, 231423, 385705, 539987, 694269, 1157115, 1619961, 2082807, 2699935, 3471345, 4859883, 6248421, 8099805, 10414035, 14579649, 24299415, 31242105, 43738947, 72898245, 218694735]

約数ペア:

[(1, 218694735), (3, 72898245), (5, 43738947), (7, 31242105), (9, 24299415), (15, 14579649), (21, 10414035), (27, 8099805), (35, 6248421), (45, 4859883), (63, 3471345), (81, 2699935), (105, 2082807), (135, 1619961), (189, 1157115), (315, 694269), (405, 539987), (567, 385705), (945, 231423), (2835, 77141)]