81945198

素因数分解:

$2^1\times 3^2\times {\mathrm{1549}}^1\times {\mathrm{2939}}^1$

素因数の和:4496

約数の個数: 24

約数和(自身を含む): 177723000

約数和(自身を除く): 95777802

約数列:

[1, 2, 3, 6, 9, 18, 1549, 2939, 3098, 4647, 5878, 8817, 9294, 13941, 17634, 26451, 27882, 52902, 4552511, 9105022, 13657533, 27315066, 40972599, 81945198]

約数ペア:

[(1, 81945198), (2, 40972599), (3, 27315066), (6, 13657533), (9, 9105022), (18, 4552511), (1549, 52902), (2939, 27882), (3098, 26451), (4647, 17634), (5878, 13941), (8817, 9294)]