255720003

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{48131}}^1$

素因数の和:48175

約数の個数: 32

約数和(自身を含む): 443584512

約数和(自身を除く): 187864509

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 161, 231, 253, 483, 759, 1771, 5313, 48131, 144393, 336917, 529441, 1010751, 1107013, 1588323, 3321039, 3706087, 7749091, 11118261, 12177143, 23247273, 36531429, 85240001, 255720003]

約数ペア:

[(1, 255720003), (3, 85240001), (7, 36531429), (11, 23247273), (21, 12177143), (23, 11118261), (33, 7749091), (69, 3706087), (77, 3321039), (161, 1588323), (231, 1107013), (253, 1010751), (483, 529441), (759, 336917), (1771, 144393), (5313, 48131)]