449291223

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{887}}^1\times {\mathrm{2447}}^1$

素因数の和:3363

約数の個数: 24

約数和(自身を含む): 678233088

約数和(自身を除く): 228941865

約数列:

[1, 3, 9, 23, 69, 207, 887, 2447, 2661, 7341, 7983, 20401, 22023, 56281, 61203, 168843, 183609, 506529, 2170489, 6511467, 19534401, 49921247, 149763741, 449291223]

約数ペア:

[(1, 449291223), (3, 149763741), (9, 49921247), (23, 19534401), (69, 6511467), (207, 2170489), (887, 506529), (2447, 183609), (2661, 168843), (7341, 61203), (7983, 56281), (20401, 22023)]