81891648

素因数分解:

$2^6\times 3^4\times {\mathrm{15797}}^1$

素因数の和:15821

約数の個数: 70

約数和(自身を含む): 242767866

約数和(自身を除く): 160876218

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 144, 162, 192, 216, 288, 324, 432, 576, 648, 864, 1296, 1728, 2592, 5184, 15797, 31594, 47391, 63188, 94782, 126376, 142173, 189564, 252752, 284346, 379128, 426519, 505504, 568692, 758256, 853038, 1011008, 1137384, 1279557, 1516512, 1706076, 2274768, 2559114, 3033024, 3412152, 4549536, 5118228, 6824304, 9099072, 10236456, 13648608, 20472912, 27297216, 40945824, 81891648]

約数ペア:

[(1, 81891648), (2, 40945824), (3, 27297216), (4, 20472912), (6, 13648608), (8, 10236456), (9, 9099072), (12, 6824304), (16, 5118228), (18, 4549536), (24, 3412152), (27, 3033024), (32, 2559114), (36, 2274768), (48, 1706076), (54, 1516512), (64, 1279557), (72, 1137384), (81, 1011008), (96, 853038), (108, 758256), (144, 568692), (162, 505504), (192, 426519), (216, 379128), (288, 284346), (324, 252752), (432, 189564), (576, 142173), (648, 126376), (864, 94782), (1296, 63188), (1728, 47391), (2592, 31594), (5184, 15797)]