81426816

素因数分解:

$2^7\times 3^3\times {\mathrm{23561}}^1$

素因数の和:23584

約数の個数: 64

約数和(自身を含む): 240332400

約数和(自身を除く): 158905584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 288, 384, 432, 576, 864, 1152, 1728, 3456, 23561, 47122, 70683, 94244, 141366, 188488, 212049, 282732, 376976, 424098, 565464, 636147, 753952, 848196, 1130928, 1272294, 1507904, 1696392, 2261856, 2544588, 3015808, 3392784, 4523712, 5089176, 6785568, 9047424, 10178352, 13571136, 20356704, 27142272, 40713408, 81426816]

約数ペア:

[(1, 81426816), (2, 40713408), (3, 27142272), (4, 20356704), (6, 13571136), (8, 10178352), (9, 9047424), (12, 6785568), (16, 5089176), (18, 4523712), (24, 3392784), (27, 3015808), (32, 2544588), (36, 2261856), (48, 1696392), (54, 1507904), (64, 1272294), (72, 1130928), (96, 848196), (108, 753952), (128, 636147), (144, 565464), (192, 424098), (216, 376976), (288, 282732), (384, 212049), (432, 188488), (576, 141366), (864, 94244), (1152, 70683), (1728, 47122), (3456, 23561)]