13171977

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1787}}^1$

素因数の和:1819

約数の個数: 40

約数和(自身を含む): 24230976

約数和(自身を除く): 11058999

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 1787, 2457, 5361, 7371, 12509, 16083, 23231, 37527, 48249, 69693, 112581, 144747, 162617, 209079, 337743, 487851, 627237, 1013229, 1463553, 1881711, 4390659, 13171977]

約数ペア:

[(1, 13171977), (3, 4390659), (7, 1881711), (9, 1463553), (13, 1013229), (21, 627237), (27, 487851), (39, 337743), (63, 209079), (81, 162617), (91, 144747), (117, 112581), (189, 69693), (273, 48249), (351, 37527), (567, 23231), (819, 16083), (1053, 12509), (1787, 7371), (2457, 5361)]