81359118

素因数分解:

$2^1\times 3^2\times {\mathrm{991}}^1\times {\mathrm{4561}}^1$

素因数の和:5560

約数の個数: 24

約数和(自身を含む): 176494656

約数和(自身を除く): 95135538

約数列:

[1, 2, 3, 6, 9, 18, 991, 1982, 2973, 4561, 5946, 8919, 9122, 13683, 17838, 27366, 41049, 82098, 4519951, 9039902, 13559853, 27119706, 40679559, 81359118]

約数ペア:

[(1, 81359118), (2, 40679559), (3, 27119706), (6, 13559853), (9, 9039902), (18, 4519951), (991, 82098), (1982, 41049), (2973, 27366), (4561, 17838), (5946, 13683), (8919, 9122)]