81401976

素因数分解:

$2^3\times 3^3\times {\mathrm{197}}^1\times {\mathrm{1913}}^1$

素因数の和:2125

約数の個数: 64

約数和(自身を含む): 227383200

約数和(自身を除く): 145981224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 197, 216, 394, 591, 788, 1182, 1576, 1773, 1913, 2364, 3546, 3826, 4728, 5319, 5739, 7092, 7652, 10638, 11478, 14184, 15304, 17217, 21276, 22956, 34434, 42552, 45912, 51651, 68868, 103302, 137736, 206604, 376861, 413208, 753722, 1130583, 1507444, 2261166, 3014888, 3391749, 4522332, 6783498, 9044664, 10175247, 13566996, 20350494, 27133992, 40700988, 81401976]

約数ペア:

[(1, 81401976), (2, 40700988), (3, 27133992), (4, 20350494), (6, 13566996), (8, 10175247), (9, 9044664), (12, 6783498), (18, 4522332), (24, 3391749), (27, 3014888), (36, 2261166), (54, 1507444), (72, 1130583), (108, 753722), (197, 413208), (216, 376861), (394, 206604), (591, 137736), (788, 103302), (1182, 68868), (1576, 51651), (1773, 45912), (1913, 42552), (2364, 34434), (3546, 22956), (3826, 21276), (4728, 17217), (5319, 15304), (5739, 14184), (7092, 11478), (7652, 10638)]