201991977

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{467}}^1$

素因数の和:758

約数の個数: 48

約数和(自身を含む): 339049152

約数和(自身を除く): 137057175

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 257, 467, 561, 771, 1401, 1683, 2313, 2827, 4203, 4369, 5137, 7939, 8481, 13107, 15411, 23817, 25443, 39321, 46233, 48059, 71451, 87329, 120019, 144177, 261987, 360057, 432531, 785961, 1080171, 1320209, 2040323, 3960627, 6120969, 11881881, 18362907, 22443553, 67330659, 201991977]

約数ペア:

[(1, 201991977), (3, 67330659), (9, 22443553), (11, 18362907), (17, 11881881), (33, 6120969), (51, 3960627), (99, 2040323), (153, 1320209), (187, 1080171), (257, 785961), (467, 432531), (561, 360057), (771, 261987), (1401, 144177), (1683, 120019), (2313, 87329), (2827, 71451), (4203, 48059), (4369, 46233), (5137, 39321), (7939, 25443), (8481, 23817), (13107, 15411)]