28997631

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 48746880

約数和(自身を除く): 19749249

約数列:

[1, 3, 9, 13, 17, 39, 51, 61, 117, 153, 183, 221, 239, 549, 663, 717, 793, 1037, 1989, 2151, 2379, 3107, 3111, 4063, 7137, 9321, 9333, 12189, 13481, 14579, 27963, 36567, 40443, 43737, 52819, 121329, 131211, 158457, 189527, 247843, 475371, 568581, 743529, 1705743, 2230587, 3221959, 9665877, 28997631]

約数ペア:

[(1, 28997631), (3, 9665877), (9, 3221959), (13, 2230587), (17, 1705743), (39, 743529), (51, 568581), (61, 475371), (117, 247843), (153, 189527), (183, 158457), (221, 131211), (239, 121329), (549, 52819), (663, 43737), (717, 40443), (793, 36567), (1037, 27963), (1989, 14579), (2151, 13481), (2379, 12189), (3107, 9333), (3111, 9321), (4063, 7137)]