850401867

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{19919}}^1$

素因数の和:20055

約数の個数: 32

約数和(自身を含む): 1376870400

約数和(自身を除く): 526468533

約数列:

[1, 3, 7, 19, 21, 57, 107, 133, 321, 399, 749, 2033, 2247, 6099, 14231, 19919, 42693, 59757, 139433, 378461, 418299, 1135383, 2131333, 2649227, 6393999, 7947681, 14919331, 40495327, 44757993, 121485981, 283467289, 850401867]

約数ペア:

[(1, 850401867), (3, 283467289), (7, 121485981), (19, 44757993), (21, 40495327), (57, 14919331), (107, 7947681), (133, 6393999), (321, 2649227), (399, 2131333), (749, 1135383), (2033, 418299), (2247, 378461), (6099, 139433), (14231, 59757), (19919, 42693)]