1996172912187

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{3541}}^1\times {\mathrm{409391}}^1$

素因数の和:412961

約数の個数: 40

約数和(自身を含む): 3158244758592

約数和(自身を除く): 1162071846405

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 3541, 10623, 31869, 60197, 95607, 180591, 286821, 409391, 541773, 1228173, 1625319, 3684519, 4875957, 6959647, 11053557, 20878941, 33160671, 62636823, 187910469, 563731407, 1449653531, 4348960593, 13046881779, 24644110027, 39140645337, 73932330081, 117421936011, 221796990243, 665390970729, 1996172912187]

約数ペア:

[(1, 1996172912187), (3, 665390970729), (9, 221796990243), (17, 117421936011), (27, 73932330081), (51, 39140645337), (81, 24644110027), (153, 13046881779), (459, 4348960593), (1377, 1449653531), (3541, 563731407), (10623, 187910469), (31869, 62636823), (60197, 33160671), (95607, 20878941), (180591, 11053557), (286821, 6959647), (409391, 4875957), (541773, 3684519), (1228173, 1625319)]