208066131

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4457}}^1$

素因数の和:4505

約数の個数: 64

約数和(自身を含む): 399436800

約数和(自身を除く): 191370669

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 57, 63, 91, 117, 133, 171, 189, 247, 273, 351, 399, 513, 741, 819, 1197, 1729, 2223, 2457, 3591, 4457, 5187, 6669, 13371, 15561, 31199, 40113, 46683, 57941, 84683, 93597, 120339, 173823, 254049, 280791, 405587, 521469, 592781, 762147, 842373, 1100879, 1216761, 1564407, 1778343, 2286441, 3302637, 3650283, 5335029, 7706153, 9907911, 10950849, 16005087, 23118459, 29723733, 69355377, 208066131]

約数ペア:

[(1, 208066131), (3, 69355377), (7, 29723733), (9, 23118459), (13, 16005087), (19, 10950849), (21, 9907911), (27, 7706153), (39, 5335029), (57, 3650283), (63, 3302637), (91, 2286441), (117, 1778343), (133, 1564407), (171, 1216761), (189, 1100879), (247, 842373), (273, 762147), (351, 592781), (399, 521469), (513, 405587), (741, 280791), (819, 254049), (1197, 173823), (1729, 120339), (2223, 93597), (2457, 84683), (3591, 57941), (4457, 46683), (5187, 40113), (6669, 31199), (13371, 15561)]