393393

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:165

約数の個数: 32

約数和(自身を含む): 709632

約数和(自身を除く): 316239

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 131, 143, 231, 273, 393, 429, 917, 1001, 1441, 1703, 2751, 3003, 4323, 5109, 10087, 11921, 18733, 30261, 35763, 56199, 131131, 393393]

約数ペア:

[(1, 393393), (3, 131131), (7, 56199), (11, 35763), (13, 30261), (21, 18733), (33, 11921), (39, 10087), (77, 5109), (91, 4323), (131, 3003), (143, 2751), (231, 1703), (273, 1441), (393, 1001), (429, 917)]