2081567187

素因数分解:

$3^3\times 7^3\times {\mathrm{73}}^1\times {\mathrm{3079}}^1$

素因数の和:3182

約数の個数: 64

約数和(自身を含む): 3646720000

約数和(自身を除く): 1565152813

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 73, 147, 189, 219, 343, 441, 511, 657, 1029, 1323, 1533, 1971, 3079, 3087, 3577, 4599, 9237, 9261, 10731, 13797, 21553, 25039, 27711, 32193, 64659, 75117, 83133, 96579, 150871, 193977, 224767, 225351, 452613, 581931, 674301, 676053, 1056097, 1357839, 1573369, 2022903, 3168291, 4073517, 4720107, 6068709, 9504873, 11013583, 14160321, 28514619, 33040749, 42480963, 77095081, 99122247, 231285243, 297366741, 693855729, 2081567187]

約数ペア:

[(1, 2081567187), (3, 693855729), (7, 297366741), (9, 231285243), (21, 99122247), (27, 77095081), (49, 42480963), (63, 33040749), (73, 28514619), (147, 14160321), (189, 11013583), (219, 9504873), (343, 6068709), (441, 4720107), (511, 4073517), (657, 3168291), (1029, 2022903), (1323, 1573369), (1533, 1357839), (1971, 1056097), (3079, 676053), (3087, 674301), (3577, 581931), (4599, 452613), (9237, 225351), (9261, 224767), (10731, 193977), (13797, 150871), (21553, 96579), (25039, 83133), (27711, 75117), (32193, 64659)]