81428.0000000

素因数分解:

$2^2\times 3^4\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:236

約数の個数: 60

約数和(自身を含む): 10428264

約数和(自身を除く): 6510780

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 107, 108, 113, 162, 214, 226, 321, 324, 339, 428, 452, 642, 678, 963, 1017, 1284, 1356, 1926, 2034, 2889, 3051, 3852, 4068, 5778, 6102, 8667, 9153, 11556, 12091, 12204, 17334, 18306, 24182, 34668, 36273, 36612, 48364, 72546, 108819, 145092, 217638, 326457, 435276, 652914, 979371, 1305828, 1958742, 3917484]

約数ペア:

[(1, 3917484), (2, 1958742), (3, 1305828), (4, 979371), (6, 652914), (9, 435276), (12, 326457), (18, 217638), (27, 145092), (36, 108819), (54, 72546), (81, 48364), (107, 36612), (108, 36273), (113, 34668), (162, 24182), (214, 18306), (226, 17334), (321, 12204), (324, 12091), (339, 11556), (428, 9153), (452, 8667), (642, 6102), (678, 5778), (963, 4068), (1017, 3852), (1284, 3051), (1356, 2889), (1926, 2034)]