171570258

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2088

約数の個数: 64

約数和(自身を含む): 400878720

約数和(自身を除く): 229308462

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 43, 54, 74, 86, 111, 129, 222, 258, 333, 387, 666, 774, 999, 1161, 1591, 1997, 1998, 2322, 3182, 3994, 4773, 5991, 9546, 11982, 14319, 17973, 28638, 35946, 42957, 53919, 73889, 85871, 85914, 107838, 147778, 171742, 221667, 257613, 443334, 515226, 665001, 772839, 1330002, 1545678, 1995003, 2318517, 3177227, 3990006, 4637034, 6354454, 9531681, 19063362, 28595043, 57190086, 85785129, 171570258]

約数ペア:

[(1, 171570258), (2, 85785129), (3, 57190086), (6, 28595043), (9, 19063362), (18, 9531681), (27, 6354454), (37, 4637034), (43, 3990006), (54, 3177227), (74, 2318517), (86, 1995003), (111, 1545678), (129, 1330002), (222, 772839), (258, 665001), (333, 515226), (387, 443334), (666, 257613), (774, 221667), (999, 171742), (1161, 147778), (1591, 107838), (1997, 85914), (1998, 85871), (2322, 73889), (3182, 53919), (3994, 42957), (4773, 35946), (5991, 28638), (9546, 17973), (11982, 14319)]