28873281801

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{90473}}^1$

素因数の和:90670

約数の個数: 48

約数和(自身を含む): 48517225344

約数和(自身を除く): 19643943543

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 167, 273, 501, 637, 1169, 1911, 2171, 3507, 6513, 8183, 15197, 24549, 45591, 90473, 106379, 271419, 319137, 633311, 1176149, 1899933, 3528447, 4433177, 8233043, 13299531, 15108991, 24699129, 45326973, 57631301, 105762937, 172893903, 196416883, 317288811, 589250649, 740340559, 1374918181, 2221021677, 4124754543, 9624427267, 28873281801]

約数ペア:

[(1, 28873281801), (3, 9624427267), (7, 4124754543), (13, 2221021677), (21, 1374918181), (39, 740340559), (49, 589250649), (91, 317288811), (147, 196416883), (167, 172893903), (273, 105762937), (501, 57631301), (637, 45326973), (1169, 24699129), (1911, 15108991), (2171, 13299531), (3507, 8233043), (6513, 4433177), (8183, 3528447), (15197, 1899933), (24549, 1176149), (45591, 633311), (90473, 319137), (106379, 271419)]