378423981

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{359377}}^1$

素因数の和:359402

約数の個数: 20

約数和(自身を含む): 608786332

約数和(自身を除く): 230362351

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 359377, 1078131, 3234393, 4671901, 9703179, 14015703, 29109537, 42047109, 126141327, 378423981]

約数ペア:

[(1, 378423981), (3, 126141327), (9, 42047109), (13, 29109537), (27, 14015703), (39, 9703179), (81, 4671901), (117, 3234393), (351, 1078131), (1053, 359377)]