27948981

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 39831264

約数和(自身を除く): 11882283

約数列:

[1, 3, 19, 57, 131, 197, 361, 393, 591, 1083, 2489, 3743, 7467, 11229, 25807, 47291, 71117, 77421, 141873, 213351, 490333, 1470999, 9316327, 27948981]

約数ペア:

[(1, 27948981), (3, 9316327), (19, 1470999), (57, 490333), (131, 213351), (197, 141873), (361, 77421), (393, 71117), (591, 47291), (1083, 25807), (2489, 11229), (3743, 7467)]