81656003

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 105284928

約数和(自身を除く): 23628925

約数列:

[1, 11, 13, 23, 37, 61, 121, 143, 253, 299, 407, 481, 671, 793, 851, 1403, 1573, 2257, 2783, 3289, 4477, 5291, 7381, 8723, 9361, 11063, 15433, 18239, 24827, 29341, 36179, 51911, 58201, 95953, 102971, 121693, 169763, 200629, 273097, 322751, 571021, 674843, 1338623, 2206919, 3550261, 6281231, 7423273, 81656003]

約数ペア:

[(1, 81656003), (11, 7423273), (13, 6281231), (23, 3550261), (37, 2206919), (61, 1338623), (121, 674843), (143, 571021), (253, 322751), (299, 273097), (407, 200629), (481, 169763), (671, 121693), (793, 102971), (851, 95953), (1403, 58201), (1573, 51911), (2257, 36179), (2783, 29341), (3289, 24827), (4477, 18239), (5291, 15433), (7381, 11063), (8723, 9361)]