31806675

素因数分解:

$3^4\times 5^2\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:274

約数の個数: 60

約数和(自身を含む): 59865960

約数和(自身を除く): 28059285

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 113, 135, 139, 225, 339, 405, 417, 565, 675, 695, 1017, 1251, 1695, 2025, 2085, 2825, 3051, 3475, 3753, 5085, 6255, 8475, 9153, 10425, 11259, 15255, 15707, 18765, 25425, 31275, 45765, 47121, 56295, 76275, 78535, 93825, 141363, 228825, 235605, 281475, 392675, 424089, 706815, 1178025, 1272267, 2120445, 3534075, 6361335, 10602225, 31806675]

約数ペア:

[(1, 31806675), (3, 10602225), (5, 6361335), (9, 3534075), (15, 2120445), (25, 1272267), (27, 1178025), (45, 706815), (75, 424089), (81, 392675), (113, 281475), (135, 235605), (139, 228825), (225, 141363), (339, 93825), (405, 78535), (417, 76275), (565, 56295), (675, 47121), (695, 45765), (1017, 31275), (1251, 25425), (1695, 18765), (2025, 15707), (2085, 15255), (2825, 11259), (3051, 10425), (3475, 9153), (3753, 8475), (5085, 6255)]