20171949507

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{497741}}^1$

素因数の和:497848

約数の個数: 32

約数和(自身を含む): 31855488000

約数和(自身を除く): 11683538493

約数列:

[1, 3, 9, 19, 27, 57, 79, 171, 237, 513, 711, 1501, 2133, 4503, 13509, 40527, 497741, 1493223, 4479669, 9457079, 13439007, 28371237, 39321539, 85113711, 117964617, 255341133, 353893851, 747109241, 1061681553, 2241327723, 6723983169, 20171949507]

約数ペア:

[(1, 20171949507), (3, 6723983169), (9, 2241327723), (19, 1061681553), (27, 747109241), (57, 353893851), (79, 255341133), (171, 117964617), (237, 85113711), (513, 39321539), (711, 28371237), (1501, 13439007), (2133, 9457079), (4503, 4479669), (13509, 1493223), (40527, 497741)]