30880863

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:368

約数の個数: 36

約数和(自身を含む): 49102560

約数和(自身を除く): 18221697

約数列:

[1, 3, 9, 13, 39, 79, 117, 169, 237, 257, 507, 711, 771, 1027, 1521, 2313, 3081, 3341, 9243, 10023, 13351, 20303, 30069, 40053, 43433, 60909, 120159, 130299, 182727, 263939, 390897, 791817, 2375451, 3431207, 10293621, 30880863]

約数ペア:

[(1, 30880863), (3, 10293621), (9, 3431207), (13, 2375451), (39, 791817), (79, 390897), (117, 263939), (169, 182727), (237, 130299), (257, 120159), (507, 60909), (711, 43433), (771, 40053), (1027, 30069), (1521, 20303), (2313, 13351), (3081, 10023), (3341, 9243)]