30038931

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 49961184

約数和(自身を除く): 19922253

約数列:

[1, 3, 9, 13, 27, 37, 39, 81, 111, 117, 243, 257, 333, 351, 481, 771, 999, 1053, 1443, 2313, 2997, 3159, 3341, 4329, 6939, 8991, 9509, 10023, 12987, 20817, 28527, 30069, 38961, 62451, 85581, 90207, 116883, 123617, 256743, 270621, 370851, 770229, 811863, 1112553, 2310687, 3337659, 10012977, 30038931]

約数ペア:

[(1, 30038931), (3, 10012977), (9, 3337659), (13, 2310687), (27, 1112553), (37, 811863), (39, 770229), (81, 370851), (111, 270621), (117, 256743), (243, 123617), (257, 116883), (333, 90207), (351, 85581), (481, 62451), (771, 38961), (999, 30069), (1053, 28527), (1443, 20817), (2313, 12987), (2997, 10023), (3159, 9509), (3341, 8991), (4329, 6939)]