81257256

素因数分解:

$2^3\times 3^6\times {\mathrm{13933}}^1$

素因数の和:13957

約数の個数: 56

約数和(自身を含む): 228447930

約数和(自身を除く): 147190674

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 729, 972, 1458, 1944, 2916, 5832, 13933, 27866, 41799, 55732, 83598, 111464, 125397, 167196, 250794, 334392, 376191, 501588, 752382, 1003176, 1128573, 1504764, 2257146, 3009528, 3385719, 4514292, 6771438, 9028584, 10157157, 13542876, 20314314, 27085752, 40628628, 81257256]

約数ペア:

[(1, 81257256), (2, 40628628), (3, 27085752), (4, 20314314), (6, 13542876), (8, 10157157), (9, 9028584), (12, 6771438), (18, 4514292), (24, 3385719), (27, 3009528), (36, 2257146), (54, 1504764), (72, 1128573), (81, 1003176), (108, 752382), (162, 501588), (216, 376191), (243, 334392), (324, 250794), (486, 167196), (648, 125397), (729, 111464), (972, 83598), (1458, 55732), (1944, 41799), (2916, 27866), (5832, 13933)]