72643431

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{709}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 122381280

約数和(自身を除く): 49737849

約数列:

[1, 3, 7, 17, 21, 41, 49, 51, 119, 123, 147, 287, 357, 697, 709, 833, 861, 2009, 2091, 2127, 2499, 4879, 4963, 6027, 12053, 14637, 14889, 29069, 34153, 34741, 36159, 84371, 87207, 102459, 104223, 203483, 253113, 494173, 590597, 610449, 1424381, 1482519, 1771791, 3459211, 4273143, 10377633, 24214477, 72643431]

約数ペア:

[(1, 72643431), (3, 24214477), (7, 10377633), (17, 4273143), (21, 3459211), (41, 1771791), (49, 1482519), (51, 1424381), (119, 610449), (123, 590597), (147, 494173), (287, 253113), (357, 203483), (697, 104223), (709, 102459), (833, 87207), (861, 84371), (2009, 36159), (2091, 34741), (2127, 34153), (2499, 29069), (4879, 14889), (4963, 14637), (6027, 12053)]