128469861

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{641}}^1$

素因数の和:1234

約数の個数: 32

約数和(自身を含む): 205645440

約数和(自身を除く): 77175579

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 571, 641, 1713, 1923, 5139, 5769, 7423, 8333, 15417, 17307, 22269, 24999, 66807, 74997, 200421, 224991, 366011, 1098033, 3294099, 4758143, 9882297, 14274429, 42823287, 128469861]

約数ペア:

[(1, 128469861), (3, 42823287), (9, 14274429), (13, 9882297), (27, 4758143), (39, 3294099), (117, 1098033), (351, 366011), (571, 224991), (641, 200421), (1713, 74997), (1923, 66807), (5139, 24999), (5769, 22269), (7423, 17307), (8333, 15417)]