42170247

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 76032000

約数和(自身を除く): 33861753

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 89, 109, 161, 189, 207, 267, 327, 483, 621, 623, 763, 801, 981, 1449, 1869, 2047, 2289, 2403, 2507, 2943, 4347, 5607, 6141, 6867, 7521, 9701, 14329, 16821, 17549, 18423, 20601, 22563, 29103, 42987, 52647, 55269, 67689, 67907, 87309, 128961, 157941, 203721, 223123, 261927, 386883, 473823, 611163, 669369, 1561861, 1833489, 2008107, 4685583, 6024321, 14056749, 42170247]

約数ペア:

[(1, 42170247), (3, 14056749), (7, 6024321), (9, 4685583), (21, 2008107), (23, 1833489), (27, 1561861), (63, 669369), (69, 611163), (89, 473823), (109, 386883), (161, 261927), (189, 223123), (207, 203721), (267, 157941), (327, 128961), (483, 87309), (621, 67907), (623, 67689), (763, 55269), (801, 52647), (981, 42987), (1449, 29103), (1869, 22563), (2047, 20601), (2289, 18423), (2403, 17549), (2507, 16821), (2943, 14329), (4347, 9701), (5607, 7521), (6141, 6867)]