279523167

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 479969280

約数和(自身を除く): 200446113

約数列:

[1, 3, 7, 11, 21, 33, 61, 77, 83, 183, 231, 239, 249, 427, 581, 671, 717, 913, 1281, 1673, 1743, 2013, 2629, 2739, 4697, 5019, 5063, 6391, 7887, 14091, 14579, 15189, 18403, 19173, 19837, 35441, 43737, 55209, 55693, 59511, 102053, 106323, 138859, 160369, 167079, 218207, 306159, 389851, 416577, 481107, 654621, 1122583, 1169553, 1210057, 1527449, 3367749, 3630171, 4582347, 8470399, 13310627, 25411197, 39931881, 93174389, 279523167]

約数ペア:

[(1, 279523167), (3, 93174389), (7, 39931881), (11, 25411197), (21, 13310627), (33, 8470399), (61, 4582347), (77, 3630171), (83, 3367749), (183, 1527449), (231, 1210057), (239, 1169553), (249, 1122583), (427, 654621), (581, 481107), (671, 416577), (717, 389851), (913, 306159), (1281, 218207), (1673, 167079), (1743, 160369), (2013, 138859), (2629, 106323), (2739, 102053), (4697, 59511), (5019, 55693), (5063, 55209), (6391, 43737), (7887, 35441), (14091, 19837), (14579, 19173), (15189, 18403)]