245873991

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{2549}}^1$

素因数の和:2679

約数の個数: 32

約数和(自身を含む): 372096000

約数和(自身を除く): 126222009

約数列:

[1, 3, 11, 33, 37, 79, 111, 237, 407, 869, 1221, 2549, 2607, 2923, 7647, 8769, 28039, 32153, 84117, 94313, 96459, 201371, 282939, 604113, 1037443, 2215081, 3112329, 6645243, 7450727, 22352181, 81957997, 245873991]

約数ペア:

[(1, 245873991), (3, 81957997), (11, 22352181), (33, 7450727), (37, 6645243), (79, 3112329), (111, 2215081), (237, 1037443), (407, 604113), (869, 282939), (1221, 201371), (2549, 96459), (2607, 94313), (2923, 84117), (7647, 32153), (8769, 28039)]