168889395

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{1381}}^1$

素因数の和:1683

約数の個数: 32

約数和(自身を含む): 280203264

約数和(自身を除く): 111313869

約数列:

[1, 3, 5, 15, 31, 93, 155, 263, 465, 789, 1315, 1381, 3945, 4143, 6905, 8153, 20715, 24459, 40765, 42811, 122295, 128433, 214055, 363203, 642165, 1089609, 1816015, 5448045, 11259293, 33777879, 56296465, 168889395]

約数ペア:

[(1, 168889395), (3, 56296465), (5, 33777879), (15, 11259293), (31, 5448045), (93, 1816015), (155, 1089609), (263, 642165), (465, 363203), (789, 214055), (1315, 128433), (1381, 122295), (3945, 42811), (4143, 40765), (6905, 24459), (8153, 20715)]