42778515

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{219377}}^1$

素因数の和:219398

約数の個数: 16

約数和(自身を含む): 73711008

約数和(自身を除く): 30932493

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 219377, 658131, 1096885, 2851901, 3290655, 8555703, 14259505, 42778515]

約数ペア:

[(1, 42778515), (3, 14259505), (5, 8555703), (13, 3290655), (15, 2851901), (39, 1096885), (65, 658131), (195, 219377)]