387670437

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{7879}}^1$

素因数の和:7974

約数の個数: 48

約数和(自身を含む): 708065280

約数和(自身を除く): 320394843

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 71, 77, 99, 213, 231, 497, 639, 693, 781, 1491, 2343, 4473, 5467, 7029, 7879, 16401, 23637, 49203, 55153, 70911, 86669, 165459, 260007, 496377, 559409, 606683, 780021, 1678227, 1820049, 3915863, 5034681, 5460147, 6153499, 11747589, 18460497, 35242767, 43074493, 55381491, 129223479, 387670437]

約数ペア:

[(1, 387670437), (3, 129223479), (7, 55381491), (9, 43074493), (11, 35242767), (21, 18460497), (33, 11747589), (63, 6153499), (71, 5460147), (77, 5034681), (99, 3915863), (213, 1820049), (231, 1678227), (497, 780021), (639, 606683), (693, 559409), (781, 496377), (1491, 260007), (2343, 165459), (4473, 86669), (5467, 70911), (7029, 55153), (7879, 49203), (16401, 23637)]