13978809

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{761}}^1$

素因数の和:937

約数の個数: 24

約数和(自身を含む): 21912072

約数和(自身を除く): 7933263

約数列:

[1, 3, 9, 13, 39, 117, 157, 471, 761, 1413, 2041, 2283, 6123, 6849, 9893, 18369, 29679, 89037, 119477, 358431, 1075293, 1553201, 4659603, 13978809]

約数ペア:

[(1, 13978809), (3, 4659603), (9, 1553201), (13, 1075293), (39, 358431), (117, 119477), (157, 89037), (471, 29679), (761, 18369), (1413, 9893), (2041, 6849), (2283, 6123)]